165936470 has 32 divisors (see below), whose sum is σ = 346959936. Its totient is φ = 55958400.

The previous prime is 165936469. The next prime is 165936493. The reversal of 165936470 is 74639561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15161 + ... + 23700.

It is an arithmetic number, because the mean of its divisors is an integer number (10842498).

Almost surely, 2^165936470 is an apocalyptic number.

165936470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165936470 is an abundant number, since it is smaller than the sum of its proper divisors (181023466).

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

165936470 is a wasteful number, since it uses less digits than its factorization.

165936470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38936.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 165936470 is about 12881.6330486472. The cubic root of 165936470 is about 549.5163461636.

The spelling of 165936470 in words is "one hundred sixty-five million, nine hundred thirty-six thousand, four hundred seventy".