2056668035790 has 32 divisors (see below), whose sum is σ = 4937473013760. Its totient is φ = 548281506464.

The previous prime is 2056668035707. The next prime is 2056668035791. The reversal of 2056668035790 is 975308666502.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2056668035790.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2056668035791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10103994 + ... + 10305533.

It is an arithmetic number, because the mean of its divisors is an integer number (154296031680).

Almost surely, 2^{2056668035790} is an apocalyptic number.

2056668035790 is an abundant number, since it is smaller than the sum of its proper divisors (2880804977970).

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

2056668035790 is a wasteful number, since it uses less digits than its factorization.

2056668035790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20412896.

The product of its (nonzero) digits is 16329600, while the sum is 57.

The spelling of 2056668035790 in words is "two trillion, fifty-six billion, six hundred sixty-eight million, thirty-five thousand, seven hundred ninety".