165065488 has 40 divisors (see below), whose sum is σ = 370974272. Its totient is φ = 69683328.

The previous prime is 165065449. The next prime is 165065489. The reversal of 165065488 is 884560561.

It is not an unprimeable number, because it can be changed into a prime (165065489) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3495 + ... + 18502.

Almost surely, 2^165065488 is an apocalyptic number.

It is an amenable number.

165065488 is an abundant number, since it is smaller than the sum of its proper divisors (205908784).

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

165065488 is a wasteful number, since it uses less digits than its factorization.

165065488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22079 (or 22073 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 43.

The square root of 165065488 is about 12847.7814427239. The cubic root of 165065488 is about 548.5532090820.

The spelling of 165065488 in words is "one hundred sixty-five million, sixty-five thousand, four hundred eighty-eight".