161876592 has 90 divisors (see below), whose sum is σ = 461560736. Its totient is φ = 52960320.

The previous prime is 161876587. The next prime is 161876593. The reversal of 161876592 is 295678161.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161876593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 725793 + ... + 726015.

Almost surely, 2^161876592 is an apocalyptic number.

161876592 is a gapful number since it is divisible by the number (12) 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 161876592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230780368).

161876592 is an abundant number, since it is smaller than the sum of its proper divisors (299684144).

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

161876592 is a wasteful number, since it uses less digits than its factorization.

161876592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379 (or 299 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 161876592 is about 12723.0732136540. The cubic root of 161876592 is about 544.9977184765.

It can be divided in two parts, 1618 and 76592, that added together give a triangular number (78210 = T₃₉₅).

The spelling of 161876592 in words is "one hundred sixty-one million, eight hundred seventy-six thousand, five hundred ninety-two".