163015145604 has 144 divisors (see below), whose sum is σ = 454371240960. Its totient is φ = 49053634560.

The previous prime is 163015145581. The next prime is 163015145627. The reversal of 163015145604 is 406541510361.

163015145604 is a `hidden beast` number, since 1 + 6 + 3 + 0 + 1 + 5 + 1 + 45 + 604 = 666.

163015145604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (163015145581) and next prime (163015145627).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2105817 + ... + 2181855.

It is an arithmetic number, because the mean of its divisors is an integer number (3155355840).

Almost surely, 2^163015145604 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163015145604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227185620480).

163015145604 is an abundant number, since it is smaller than the sum of its proper divisors (291356095356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163015145604 is a wasteful number, since it uses less digits than its factorization.

163015145604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76210 (or 76205 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

Adding to 163015145604 its reverse (406541510361), we get a palindrome (569556655965).

The spelling of 163015145604 in words is "one hundred sixty-three billion, fifteen million, one hundred forty-five thousand, six hundred four".