165936190 has 16 divisors (see below), whose sum is σ = 341354592. Its totient is φ = 56892384.

The previous prime is 165936187. The next prime is 165936203. The reversal of 165936190 is 91639561.

It is a super-2 number, since 2×165936190² = 55069638303432200, which contains 22 as substring.

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, 1185189 + ... + 1185328.

It is an arithmetic number, because the mean of its divisors is an integer number (21334662).

Almost surely, 2^165936190 is an apocalyptic number.

165936190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165936190 is an abundant number, since it is smaller than the sum of its proper divisors (175418402).

165936190 is a wasteful number, since it uses less digits than its factorization.

165936190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2370531.

The product of its (nonzero) digits is 43740, while the sum is 40.

The square root of 165936190 is about 12881.6221804554. The cubic root of 165936190 is about 549.5160370801.

The spelling of 165936190 in words is "one hundred sixty-five million, nine hundred thirty-six thousand, one hundred ninety".