161883588 has 24 divisors (see below), whose sum is σ = 399948192. Its totient is φ = 50786944.

The previous prime is 161883587. The next prime is 161883593. The reversal of 161883588 is 885388161.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (161883587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396570 + ... + 396977.

It is an arithmetic number, because the mean of its divisors is an integer number (16664508).

Almost surely, 2^161883588 is an apocalyptic number.

It is an amenable number.

161883588 is an abundant number, since it is smaller than the sum of its proper divisors (238064604).

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

161883588 is a wasteful number, since it uses less digits than its factorization.

161883588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793571 (or 793569 counting only the distinct ones).

The product of its digits is 368640, while the sum is 48.

The square root of 161883588 is about 12723.3481442583. The cubic root of 161883588 is about 545.0055696202.

The spelling of 161883588 in words is "one hundred sixty-one million, eight hundred eighty-three thousand, five hundred eighty-eight".