165156515003151 has 12 divisors (see below), whose sum is σ = 272639326354512. Its totient is φ = 94375151430336.

The previous prime is 165156515003147. The next prime is 165156515003219. The reversal of 165156515003151 is 151300515651561.

165156515003151 is a `hidden beast` number, since 1 + 6 + 5 + 1 + 5 + 65 + 1 + 500 + 31 + 51 = 666.

It is not a de Polignac number, because 165156515003151 - 2² = 165156515003147 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 165156515003097 and 165156515003106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165156515003351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1310765992026 + ... + 1310765992151.

It is an arithmetic number, because the mean of its divisors is an integer number (22719943862876).

Almost surely, 2^{165156515003151} is an apocalyptic number.

165156515003151 is a deficient number, since it is larger than the sum of its proper divisors (107482811351361).

165156515003151 is a wasteful number, since it uses less digits than its factorization.

165156515003151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2621531984190 (or 2621531984187 counting only the distinct ones).

The product of its (nonzero) digits is 337500, while the sum is 45.

The spelling of 165156515003151 in words is "one hundred sixty-five trillion, one hundred fifty-six billion, five hundred fifteen million, three thousand, one hundred fifty-one".