165502976 has 56 divisors (see below), whose sum is σ = 336179160. Its totient is φ = 81461248.

The previous prime is 165502969. The next prime is 165502993. The reversal of 165502976 is 679205561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 728975 + ... + 729201.

Almost surely, 2^165502976 is an apocalyptic number.

165502976 is a gapful number since it is divisible by the number (16) 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 165502976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168089580).

165502976 is an abundant number, since it is smaller than the sum of its proper divisors (170676184).

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

165502976 is an frugal number, since it uses more digits than its factorization.

165502976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 318 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 41.

The square root of 165502976 is about 12864.7959952733. The cubic root of 165502976 is about 549.0374082979.

The spelling of 165502976 in words is "one hundred sixty-five million, five hundred two thousand, nine hundred seventy-six".