165269665276 has 12 divisors (see below), whose sum is σ = 289225163808. Its totient is φ = 82633904192.

The previous prime is 165269665243. The next prime is 165269665291. The reversal of 165269665276 is 672566962561.

It is a pancake number, because a pancake can be divided into 165269665276 parts by 574925 straight cuts.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308100 + ... + 652276.

It is an arithmetic number, because the mean of its divisors is an integer number (24102096984).

Almost surely, 2^165269665276 is an apocalyptic number.

165269665276 is the 257115-th centered pentagonal number.

It is an amenable number.

165269665276 is a deficient number, since it is larger than the sum of its proper divisors (123955498532).

165269665276 is a wasteful number, since it uses less digits than its factorization.

165269665276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464228 (or 464226 counting only the distinct ones).

The product of its digits is 48988800, while the sum is 61.

The spelling of 165269665276 in words is "one hundred sixty-five billion, two hundred sixty-nine million, six hundred sixty-five thousand, two hundred seventy-six".