165015055560501 has 8 divisors (see below), whose sum is σ = 244466748978560. Its totient is φ = 110010037040316.

The previous prime is 165015055560479. The next prime is 165015055560527. The reversal of 165015055560501 is 105065550510561.

It is not a de Polignac number, because 165015055560501 - 2⁵ = 165015055560469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165015055560101) 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, 3055834362205 + ... + 3055834362258.

It is an arithmetic number, because the mean of its divisors is an integer number (30558343622320).

Almost surely, 2^{165015055560501} is an apocalyptic number.

It is an amenable number.

165015055560501 is a deficient number, since it is larger than the sum of its proper divisors (79451693418059).

165015055560501 is an equidigital number, since it uses as much as digits as its factorization.

165015055560501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6111668724472 (or 6111668724466 counting only the distinct ones).

The product of its (nonzero) digits is 562500, while the sum is 45.

The spelling of 165015055560501 in words is "one hundred sixty-five trillion, fifteen billion, fifty-five million, five hundred sixty thousand, five hundred one".