165147260965 has 16 divisors (see below), whose sum is σ = 199043550720. Its totient is φ = 131540328000.

The previous prime is 165147260933. The next prime is 165147260981. The reversal of 165147260965 is 569062741561.

It is a happy number.

It is not a de Polignac number, because 165147260965 - 2⁵ = 165147260933 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3388147 + ... + 3436543.

It is an arithmetic number, because the mean of its divisors is an integer number (12440221920).

Almost surely, 2^165147260965 is an apocalyptic number.

It is an amenable number.

165147260965 is a deficient number, since it is larger than the sum of its proper divisors (33896289755).

165147260965 is a wasteful number, since it uses less digits than its factorization.

165147260965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51372.

The product of its (nonzero) digits is 2721600, while the sum is 52.

The spelling of 165147260965 in words is "one hundred sixty-five billion, one hundred forty-seven million, two hundred sixty thousand, nine hundred sixty-five".