5156166065660 has 12 divisors (see below), whose sum is σ = 10827948737928. Its totient is φ = 2062466426256.

The previous prime is 5156166065657. The next prime is 5156166065711. The reversal of 5156166065660 is 665606616515.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128904151622 + ... + 128904151661.

It is an arithmetic number, because the mean of its divisors is an integer number (902329061494).

Almost surely, 2^{5156166065660} is an apocalyptic number.

It is an amenable number.

5156166065660 is an abundant number, since it is smaller than the sum of its proper divisors (5671782672268).

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

5156166065660 is a wasteful number, since it uses less digits than its factorization.

5156166065660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257808303292 (or 257808303290 counting only the distinct ones).

The product of its (nonzero) digits is 5832000, while the sum is 53.

The spelling of 5156166065660 in words is "five trillion, one hundred fifty-six billion, one hundred sixty-six million, sixty-five thousand, six hundred sixty".