18056667956795 has 64 divisors (see below), whose sum is σ = 24897705267456. Its totient is φ = 12453205524480.

The previous prime is 18056667956777. The next prime is 18056667956857. The reversal of 18056667956795 is 59765976665081.

It is not a de Polignac number, because 18056667956795 - 2¹² = 18056667952699 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 400693565 + ... + 400738625.

It is an arithmetic number, because the mean of its divisors is an integer number (389026644804).

Almost surely, 2^{18056667956795} is an apocalyptic number.

18056667956795 is a deficient number, since it is larger than the sum of its proper divisors (6841037310661).

18056667956795 is a wasteful number, since it uses less digits than its factorization.

18056667956795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47880.

The product of its (nonzero) digits is 5143824000, while the sum is 80.

The spelling of 18056667956795 in words is "eighteen trillion, fifty-six billion, six hundred sixty-seven million, nine hundred fifty-six thousand, seven hundred ninety-five".