67676665256 has 32 divisors (see below), whose sum is σ = 130614128640. Its totient is φ = 32857570368.

The previous prime is 67676665229. The next prime is 67676665267. The reversal of 67676665256 is 65256667676.

It is a happy number.

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, 660875 + ... + 756378.

It is an arithmetic number, because the mean of its divisors is an integer number (4081691520).

Almost surely, 2^67676665256 is an apocalyptic number.

It is an amenable number.

67676665256 is a deficient number, since it is larger than the sum of its proper divisors (62937463384).

67676665256 is a wasteful number, since it uses less digits than its factorization.

67676665256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1417433 (or 1417429 counting only the distinct ones).

The product of its digits is 114307200, while the sum is 62.

The spelling of 67676665256 in words is "sixty-seven billion, six hundred seventy-six million, six hundred sixty-five thousand, two hundred fifty-six".