55605166165 has 32 divisors (see below), whose sum is σ = 69550774272. Its totient is φ = 42643584000.

The previous prime is 55605166153. The next prime is 55605166237. The reversal of 55605166165 is 56166150655.

It is not a de Polignac number, because 55605166165 - 2⁹ = 55605165653 is a prime.

It is a Duffinian number.

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, 4048660 + ... + 4062370.

It is an arithmetic number, because the mean of its divisors is an integer number (2173461696).

Almost surely, 2^55605166165 is an apocalyptic number.

It is an amenable number.

55605166165 is a deficient number, since it is larger than the sum of its proper divisors (13945608107).

55605166165 is a wasteful number, since it uses less digits than its factorization.

55605166165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14101.

The product of its (nonzero) digits is 810000, while the sum is 46.

The spelling of 55605166165 in words is "fifty-five billion, six hundred five million, one hundred sixty-six thousand, one hundred sixty-five".