76656257066 has 16 divisors (see below), whose sum is σ = 123854151168. Its totient is φ = 35479052400.

The previous prime is 76656257053. The next prime is 76656257101. The reversal of 76656257066 is 66075265667.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26876645 + ... + 26879496.

It is an arithmetic number, because the mean of its divisors is an integer number (7740884448).

Almost surely, 2^76656257066 is an apocalyptic number.

76656257066 is a deficient number, since it is larger than the sum of its proper divisors (47197894102).

76656257066 is a wasteful number, since it uses less digits than its factorization.

76656257066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53756197.

The product of its (nonzero) digits is 19051200, while the sum is 56.

The spelling of 76656257066 in words is "seventy-six billion, six hundred fifty-six million, two hundred fifty-seven thousand, sixty-six".