65166055116 has 24 divisors (see below), whose sum is σ = 152207591424. Its totient is φ = 21700095120.

The previous prime is 65166055111. The next prime is 65166055159. The reversal of 65166055116 is 61155066156.

65166055116 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×65166055116² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65166055111) 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, 2728020 + ... + 2751803.

It is an arithmetic number, because the mean of its divisors is an integer number (6341982976).

Almost surely, 2^65166055116 is an apocalyptic number.

It is an amenable number.

65166055116 is an abundant number, since it is smaller than the sum of its proper divisors (87041536308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65166055116 is a wasteful number, since it uses less digits than its factorization.

65166055116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5480821 (or 5480819 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 42.

The spelling of 65166055116 in words is "sixty-five billion, one hundred sixty-six million, fifty-five thousand, one hundred sixteen".