165115488 has 48 divisors (see below), whose sum is σ = 439384176. Its totient is φ = 54282240.

The previous prime is 165115477. The next prime is 165115547. The reversal of 165115488 is 884511561.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4773 + ... + 18788.

It is an arithmetic number, because the mean of its divisors is an integer number (9153837).

Almost surely, 2^165115488 is an apocalyptic number.

It is an amenable number.

165115488 is an abundant number, since it is smaller than the sum of its proper divisors (274268688).

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

165115488 is a wasteful number, since it uses less digits than its factorization.

165115488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23647 (or 23639 counting only the distinct ones).

The product of its digits is 38400, while the sum is 39.

The square root of 165115488 is about 12849.7271566364. The cubic root of 165115488 is about 548.6085909224.

The spelling of 165115488 in words is "one hundred sixty-five million, one hundred fifteen thousand, four hundred eighty-eight".