255671656692 has 48 divisors (see below), whose sum is σ = 605780904960. Its totient is φ = 83908943712.

The previous prime is 255671656663. The next prime is 255671656703. The reversal of 255671656692 is 296656176552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1510773 + ... + 1671459.

It is an arithmetic number, because the mean of its divisors is an integer number (12620435520).

Almost surely, 2^255671656692 is an apocalyptic number.

It is an amenable number.

255671656692 is an abundant number, since it is smaller than the sum of its proper divisors (350109248268).

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

255671656692 is a wasteful number, since it uses less digits than its factorization.

255671656692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162740 (or 162738 counting only the distinct ones).

The product of its digits is 40824000, while the sum is 60.

The spelling of 255671656692 in words is "two hundred fifty-five billion, six hundred seventy-one million, six hundred fifty-six thousand, six hundred ninety-two".