2660660626056 has 16 divisors (see below), whose sum is σ = 6651651565200. Its totient is φ = 886886875344.

The previous prime is 2660660626037. The next prime is 2660660626069. The reversal of 2660660626056 is 6506260660662.

It is a super-2 number, since 2×2660660626056² (a number of 26 digits) contains 22 as substring.

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, 55430429686 + ... + 55430429733.

It is an arithmetic number, because the mean of its divisors is an integer number (415728222825).

Almost surely, 2^{2660660626056} is an apocalyptic number.

It is an amenable number.

2660660626056 is an abundant number, since it is smaller than the sum of its proper divisors (3990990939144).

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

2660660626056 is a wasteful number, since it uses less digits than its factorization.

2660660626056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110860859428 (or 110860859424 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 51.

The spelling of 2660660626056 in words is "two trillion, six hundred sixty billion, six hundred sixty million, six hundred twenty-six thousand, fifty-six".