18673334631625 has 16 divisors (see below), whose sum is σ = 24530864866560. Its totient is φ = 14152422034800.

The previous prime is 18673334631599. The next prime is 18673334631647. The reversal of 18673334631625 is 52613643337681.

It is not a de Polignac number, because 18673334631625 - 2⁵ = 18673334631593 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18673334631625.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3931225969 + ... + 3931230718.

It is an arithmetic number, because the mean of its divisors is an integer number (1533179054160).

Almost surely, 2^{18673334631625} is an apocalyptic number.

It is an amenable number.

18673334631625 is a deficient number, since it is larger than the sum of its proper divisors (5857530234935).

18673334631625 is an equidigital number, since it uses as much as digits as its factorization.

18673334631625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7862456721 (or 7862456711 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 58.

The spelling of 18673334631625 in words is "eighteen trillion, six hundred seventy-three billion, three hundred thirty-four million, six hundred thirty-one thousand, six hundred twenty-five".