165512015710055 has 32 divisors (see below), whose sum is σ = 228500257827840. Its totient is φ = 112737838348800.

The previous prime is 165512015710043. The next prime is 165512015710061. The reversal of 165512015710055 is 550017510215561.

It is not a de Polignac number, because 165512015710055 - 2¹⁶ = 165512015644519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 165512015709988 and 165512015710015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134572847 + ... + 135797183.

It is an arithmetic number, because the mean of its divisors is an integer number (7140633057120).

Almost surely, 2^{165512015710055} is an apocalyptic number.

165512015710055 is a deficient number, since it is larger than the sum of its proper divisors (62988242117785).

165512015710055 is a wasteful number, since it uses less digits than its factorization.

165512015710055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250079.

The product of its (nonzero) digits is 262500, while the sum is 44.

The spelling of 165512015710055 in words is "one hundred sixty-five trillion, five hundred twelve billion, fifteen million, seven hundred ten thousand, fifty-five".