76181136065660 has 72 divisors (see below), whose sum is σ = 178889012902320. Its totient is φ = 27170485641216.

The previous prime is 76181136065591. The next prime is 76181136065719. The reversal of 76181136065660 is 6656063118167.

It is a junction number, because it is equal to n+sod(n) for n = 76181136065596 and 76181136065605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 346735637 + ... + 346955276.

Almost surely, 2^{76181136065660} is an apocalyptic number.

It is an amenable number.

76181136065660 is an abundant number, since it is smaller than the sum of its proper divisors (102707876836660).

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

76181136065660 is a wasteful number, since it uses less digits than its factorization.

76181136065660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693690975 (or 693690956 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 56.

The spelling of 76181136065660 in words is "seventy-six trillion, one hundred eighty-one billion, one hundred thirty-six million, sixty-five thousand, six hundred sixty".