18161268576875 has 40 divisors (see below), whose sum is σ = 23207878614096. Its totient is φ = 14203155600000.

The previous prime is 18161268576859. The next prime is 18161268576881. The reversal of 18161268576875 is 57867586216181.

It is not a de Polignac number, because 18161268576875 - 2⁴ = 18161268576859 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18161268576799 and 18161268576808.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4753145 + ... + 7675605.

Almost surely, 2^{18161268576875} is an apocalyptic number.

18161268576875 is a deficient number, since it is larger than the sum of its proper divisors (5046610037221).

18161268576875 is an equidigital number, since it uses as much as digits as its factorization.

18161268576875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2922705 (or 2922690 counting only the distinct ones).

The product of its digits is 270950400, while the sum is 71.

The spelling of 18161268576875 in words is "eighteen trillion, one hundred sixty-one billion, two hundred sixty-eight million, five hundred seventy-six thousand, eight hundred seventy-five".