165422812 has 12 divisors (see below), whose sum is σ = 289583056. Its totient is φ = 82684800.

The previous prime is 165422791. The next prime is 165422813. The reversal of 165422812 is 218224561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165422813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15628 + ... + 23980.

Almost surely, 2^165422812 is an apocalyptic number.

It is an amenable number.

165422812 is a deficient number, since it is larger than the sum of its proper divisors (124160244).

165422812 is a wasteful number, since it uses less digits than its factorization.

165422812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13308 (or 13306 counting only the distinct ones).

The product of its digits is 7680, while the sum is 31.

The square root of 165422812 is about 12861.6799835791. The cubic root of 165422812 is about 548.9487489801.

The spelling of 165422812 in words is "one hundred sixty-five million, four hundred twenty-two thousand, eight hundred twelve".