165049670 has 16 divisors (see below), whose sum is σ = 297297648. Its totient is φ = 65973600.

The previous prime is 165049669. The next prime is 165049681. The reversal of 165049670 is 76940561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11720 + ... + 21620.

It is an arithmetic number, because the mean of its divisors is an integer number (18581103).

Almost surely, 2^165049670 is an apocalyptic number.

165049670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165049670 is a deficient number, since it is larger than the sum of its proper divisors (132247978).

165049670 is a wasteful number, since it uses less digits than its factorization.

165049670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11575.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 165049670 is about 12847.1658353117. The cubic root of 165049670 is about 548.5356861543.

The spelling of 165049670 in words is "one hundred sixty-five million, forty-nine thousand, six hundred seventy".