61256823008168 has 32 divisors (see below), whose sum is σ = 115078713348960. Its totient is φ = 30569219768640.

The previous prime is 61256823008167. The next prime is 61256823008179. The reversal of 61256823008168 is 86180032865216.

It is not an unprimeable number, because it can be changed into a prime (61256823008167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5784455 + ... + 12488937.

It is an arithmetic number, because the mean of its divisors is an integer number (3596209792155).

Almost surely, 2^{61256823008168} is an apocalyptic number.

It is an amenable number.

61256823008168 is a deficient number, since it is larger than the sum of its proper divisors (53821890340792).

61256823008168 is a wasteful number, since it uses less digits than its factorization.

61256823008168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6706697 (or 6706693 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 56.

The spelling of 61256823008168 in words is "sixty-one trillion, two hundred fifty-six billion, eight hundred twenty-three million, eight thousand, one hundred sixty-eight".