165156605560495 has 32 divisors (see below), whose sum is σ = 217109694859200. Its totient is φ = 120049910593536.

The previous prime is 165156605560433. The next prime is 165156605560511. The reversal of 165156605560495 is 594065506651561.

It is a happy number.

165156605560495 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 165156605560495 - 2⁹ = 165156605559983 is a prime.

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, 15163876 + ... + 23669734.

It is an arithmetic number, because the mean of its divisors is an integer number (6784677964350).

Almost surely, 2^{165156605560495} is an apocalyptic number.

165156605560495 is a deficient number, since it is larger than the sum of its proper divisors (51953089298705).

165156605560495 is a wasteful number, since it uses less digits than its factorization.

165156605560495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8513787.

The product of its (nonzero) digits is 145800000, while the sum is 64.

The spelling of 165156605560495 in words is "one hundred sixty-five trillion, one hundred fifty-six billion, six hundred five million, five hundred sixty thousand, four hundred ninety-five".