165166065056151 has 48 divisors (see below), whose sum is σ = 251692674480000. Its totient is φ = 104081653567296.

The previous prime is 165166065056149. The next prime is 165166065056173. The reversal of 165166065056151 is 151650560661561.

165166065056151 is a `hidden beast` number, since 1 + 6 + 5 + 16 + 6 + 0 + 6 + 5 + 0 + 5 + 615 + 1 = 666.

It is not a de Polignac number, because 165166065056151 - 2¹ = 165166065056149 is a prime.

It is a super-2 number, since 2×165166065056151² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165166065057151) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 362676676 + ... + 363131798.

It is an arithmetic number, because the mean of its divisors is an integer number (5243597385000).

Almost surely, 2^{165166065056151} is an apocalyptic number.

165166065056151 is a deficient number, since it is larger than the sum of its proper divisors (86526609423849).

165166065056151 is a wasteful number, since it uses less digits than its factorization.

165166065056151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459900 (or 459897 counting only the distinct ones).

The product of its (nonzero) digits is 4860000, while the sum is 54.

The spelling of 165166065056151 in words is "one hundred sixty-five trillion, one hundred sixty-six billion, sixty-five million, fifty-six thousand, one hundred fifty-one".