2056640573366 has 16 divisors (see below), whose sum is σ = 3113927893440. Its totient is φ = 1018665446280.

The previous prime is 2056640573333. The next prime is 2056640573371. The reversal of 2056640573366 is 6633750466502.

It is a congruent 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, 5020001 + ... + 5414211.

It is an arithmetic number, because the mean of its divisors is an integer number (194620493340).

Almost surely, 2^{2056640573366} is an apocalyptic number.

2056640573366 is a deficient number, since it is larger than the sum of its proper divisors (1057287320074).

2056640573366 is a wasteful number, since it uses less digits than its factorization.

2056640573366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418699.

The product of its (nonzero) digits is 16329600, while the sum is 53.

The spelling of 2056640573366 in words is "two trillion, fifty-six billion, six hundred forty million, five hundred seventy-three thousand, three hundred sixty-six".