2656660557022 has 8 divisors (see below), whose sum is σ = 3988789686000. Its totient is φ = 1327063995024.

The previous prime is 2656660557013. The next prime is 2656660557107. The reversal of 2656660557022 is 2207550666562.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 633139122 + ... + 633143317.

It is an arithmetic number, because the mean of its divisors is an integer number (498598710750).

Almost surely, 2^{2656660557022} is an apocalyptic number.

2656660557022 is a deficient number, since it is larger than the sum of its proper divisors (1332129128978).

2656660557022 is a wasteful number, since it uses less digits than its factorization.

2656660557022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266283490.

The product of its (nonzero) digits is 9072000, while the sum is 52.

The spelling of 2656660557022 in words is "two trillion, six hundred fifty-six billion, six hundred sixty million, five hundred fifty-seven thousand, twenty-two".