55066516165 has 64 divisors (see below), whose sum is σ = 73501655040. Its totient is φ = 39459974400.

The previous prime is 55066516157. The next prime is 55066516207. The reversal of 55066516165 is 56161566055.

It is not a de Polignac number, because 55066516165 - 2³ = 55066516157 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21652884 + ... + 21655426.

It is an arithmetic number, because the mean of its divisors is an integer number (1148463360).

Almost surely, 2^55066516165 is an apocalyptic number.

It is an amenable number.

55066516165 is a deficient number, since it is larger than the sum of its proper divisors (18435138875).

55066516165 is a wasteful number, since it uses less digits than its factorization.

55066516165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2794.

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

The spelling of 55066516165 in words is "fifty-five billion, sixty-six million, five hundred sixteen thousand, one hundred sixty-five".