165655112 has 32 divisors (see below), whose sum is σ = 357048000. Its totient is φ = 70580544.

The previous prime is 165655111. The next prime is 165655151. The reversal of 165655112 is 211556561.

It is a super-2 number, since 2×165655112² = 54883232263465088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (165655111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1139 + ... + 18237.

It is an arithmetic number, because the mean of its divisors is an integer number (11157750).

Almost surely, 2^165655112 is an apocalyptic number.

It is an amenable number.

165655112 is an abundant number, since it is smaller than the sum of its proper divisors (191392888).

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

165655112 is a wasteful number, since it uses less digits than its factorization.

165655112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17285 (or 17281 counting only the distinct ones).

The product of its digits is 9000, while the sum is 32.

The square root of 165655112 is about 12870.7075174599. The cubic root of 165655112 is about 549.2055881018.

The spelling of 165655112 in words is "one hundred sixty-five million, six hundred fifty-five thousand, one hundred twelve".