165737012 has 36 divisors (see below), whose sum is σ = 357247044. Its totient is φ = 66850560.

The previous prime is 165736999. The next prime is 165737027. The reversal of 165737012 is 210737561.

It can be written as a sum of positive squares in 2 ways, for example, as 142945936 + 22791076 = 11956^2 + 4774^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 165737012.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 21539 + ... + 28202.

It is an arithmetic number, because the mean of its divisors is an integer number (9923529).

Almost surely, 2^165737012 is an apocalyptic number.

It is an amenable number.

165737012 is an abundant number, since it is smaller than the sum of its proper divisors (191510032).

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

165737012 is a wasteful number, since it uses less digits than its factorization.

165737012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49776 (or 49767 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 165737012 is about 12873.8887675791. Note that the first 3 decimals coincide. The cubic root of 165737012 is about 549.2960823954.

The spelling of 165737012 in words is "one hundred sixty-five million, seven hundred thirty-seven thousand, twelve".