165079072965 has 16 divisors (see below), whose sum is σ = 264164113728. Its totient is φ = 88029639936.

The previous prime is 165079072913. The next prime is 165079073011. The reversal of 165079072965 is 569270970561.

It is not a de Polignac number, because 165079072965 - 2⁸ = 165079072709 is a prime.

It is a super-2 number, since 2×165079072965² (a number of 23 digits) contains 22 as substring.

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, 673887 + ... + 885596.

It is an arithmetic number, because the mean of its divisors is an integer number (16510257108).

Almost surely, 2^165079072965 is an apocalyptic number.

165079072965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

165079072965 is a deficient number, since it is larger than the sum of its proper divisors (99085040763).

165079072965 is a wasteful number, since it uses less digits than its factorization.

165079072965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1566548.

The product of its (nonzero) digits is 7144200, while the sum is 57.

The spelling of 165079072965 in words is "one hundred sixty-five billion, seventy-nine million, seventy-two thousand, nine hundred sixty-five".