165677591053039 has 8 divisors (see below), whose sum is σ = 179052487643792. Its totient is φ = 152392761106560.

The previous prime is 165677591053001. The next prime is 165677591053067. The reversal of 165677591053039 is 930350195776561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 165677591053039 - 2¹⁷ = 165677590921967 is a prime.

It is a super-2 number, since 2×165677591053039² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165677591053939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22516657242 + ... + 22516664599.

It is an arithmetic number, because the mean of its divisors is an integer number (22381560955474).

Almost surely, 2^{165677591053039} is an apocalyptic number.

165677591053039 is a deficient number, since it is larger than the sum of its proper divisors (13374896590753).

165677591053039 is a wasteful number, since it uses less digits than its factorization.

165677591053039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45033322137.

The product of its (nonzero) digits is 160744500, while the sum is 67.

The spelling of 165677591053039 in words is "one hundred sixty-five trillion, six hundred seventy-seven billion, five hundred ninety-one million, fifty-three thousand, thirty-nine".