165370880 has 44 divisors (see below), whose sum is σ = 396708600. Its totient is φ = 66146304.

The previous prime is 165370879. The next prime is 165370901. The reversal of 165370880 is 88073561.

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, 11030 + ... + 21269.

Almost surely, 2^165370880 is an apocalyptic number.

165370880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165370880 is an abundant number, since it is smaller than the sum of its proper divisors (231337720).

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

165370880 is an equidigital number, since it uses as much as digits as its factorization.

165370880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32324 (or 32306 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 165370880 is about 12859.6609597610. The cubic root of 165370880 is about 548.8912982375.

The spelling of 165370880 in words is "one hundred sixty-five million, three hundred seventy thousand, eight hundred eighty".