165226152 has 64 divisors (see below), whose sum is σ = 508394880. Its totient is φ = 43575552.

The previous prime is 165226141. The next prime is 165226169. The reversal of 165226152 is 251622561.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35643 + ... + 40010.

It is an arithmetic number, because the mean of its divisors is an integer number (7943670).

Almost surely, 2^165226152 is an apocalyptic number.

165226152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

165226152 is an abundant number, since it is smaller than the sum of its proper divisors (343168728).

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

165226152 is a wasteful number, since it uses less digits than its factorization.

165226152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75682 (or 75678 counting only the distinct ones).

The product of its digits is 7200, while the sum is 30.

The square root of 165226152 is about 12854.0325190191. The cubic root of 165226152 is about 548.7311266973.

The spelling of 165226152 in words is "one hundred sixty-five million, two hundred twenty-six thousand, one hundred fifty-two".