253313542525664 has 24 divisors (see below), whose sum is σ = 498932587871928. Its totient is φ = 126600504336000.

The previous prime is 253313542525639. The next prime is 253313542525697. The reversal of 253313542525664 is 466525245313352.

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, 1758268307 + ... + 1758412370.

It is an arithmetic number, because the mean of its divisors is an integer number (20788857827997).

Almost surely, 2^{253313542525664} is an apocalyptic number.

It is an amenable number.

253313542525664 is a deficient number, since it is larger than the sum of its proper divisors (245619045346264).

253313542525664 is a wasteful number, since it uses less digits than its factorization.

253313542525664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3516682938 (or 3516682930 counting only the distinct ones).

The product of its digits is 77760000, while the sum is 56.

The spelling of 253313542525664 in words is "two hundred fifty-three trillion, three hundred thirteen billion, five hundred forty-two million, five hundred twenty-five thousand, six hundred sixty-four".