189485151600 has 120 divisors (see below), whose sum is σ = 609706865152. Its totient is φ = 50302713600.

The previous prime is 189485151599. The next prime is 189485151643. The reversal of 189485151600 is 6151584981.

189485151600 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 189485151600.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 86446 + ... + 621645.

Almost surely, 2^189485151600 is an apocalyptic number.

189485151600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 189485151600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304853432576).

189485151600 is an abundant number, since it is smaller than the sum of its proper divisors (420221713552).

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

189485151600 is a wasteful number, since it uses less digits than its factorization.

189485151600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708335 (or 708324 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 48.

The spelling of 189485151600 in words is "one hundred eighty-nine billion, four hundred eighty-five million, one hundred fifty-one thousand, six hundred".