1601573145860 has 48 divisors (see below), whose sum is σ = 3468872010240. Its totient is φ = 620790902400.

The previous prime is 1601573145827. The next prime is 1601573145979. The reversal of 1601573145860 is 685413751061.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (47).

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 15 ways as a sum of consecutive naturals, for example, 8339720 + ... + 8529599.

It is an arithmetic number, because the mean of its divisors is an integer number (72268166880).

Almost surely, 2^{1601573145860} is an apocalyptic number.

1601573145860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1601573145860 is an abundant number, since it is smaller than the sum of its proper divisors (1867298864380).

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

1601573145860 is a wasteful number, since it uses less digits than its factorization.

1601573145860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16869476 (or 16869474 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 47.

The spelling of 1601573145860 in words is "one trillion, six hundred one billion, five hundred seventy-three million, one hundred forty-five thousand, eight hundred sixty".