2556169083790 has 256 divisors, whose sum is σ = 5602698823680. Its totient is φ = 821292595200.

The previous prime is 2556169083683. The next prime is 2556169083817. The reversal of 2556169083790 is 973809616552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4354631877 + ... + 4354632463.

It is an arithmetic number, because the mean of its divisors is an integer number (21885542280).

Almost surely, 2^{2556169083790} is an apocalyptic number.

2556169083790 is an abundant number, since it is smaller than the sum of its proper divisors (3046529739890).

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

2556169083790 is a wasteful number, since it uses less digits than its factorization.

2556169083790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115.

The product of its (nonzero) digits is 24494400, while the sum is 61.

The spelling of 2556169083790 in words is "two trillion, five hundred fifty-six billion, one hundred sixty-nine million, eighty-three thousand, seven hundred ninety".