161527888992528 has 120 divisors (see below), whose sum is σ = 476029579939680. Its totient is φ = 50989133076480.

The previous prime is 161527888992469. The next prime is 161527888992539. The reversal of 161527888992528 is 825299888725161.

161527888992528 is a `hidden beast` number, since 1 + 6 + 1 + 5 + 2 + 7 + 8 + 8 + 89 + 9 + 2 + 528 = 666.

161527888992528 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4289658 + ... + 18478553.

It is an arithmetic number, because the mean of its divisors is an integer number (3966913166164).

Almost surely, 2^{161527888992528} is an apocalyptic number.

161527888992528 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

161527888992528 is an abundant number, since it is smaller than the sum of its proper divisors (314501690947152).

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

161527888992528 is a wasteful number, since it uses less digits than its factorization.

161527888992528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22770837 (or 22770828 counting only the distinct ones).

The product of its digits is 2786918400, while the sum is 81.

The spelling of 161527888992528 in words is "one hundred sixty-one trillion, five hundred twenty-seven billion, eight hundred eighty-eight million, nine hundred ninety-two thousand, five hundred twenty-eight".