18673608786164 has 24 divisors (see below), whose sum is σ = 32800230223488. Its totient is φ = 9302116178880.

The previous prime is 18673608786097. The next prime is 18673608786191. The reversal of 18673608786164 is 46168780637681.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47529632 + ... + 47920904.

It is an arithmetic number, because the mean of its divisors is an integer number (1366676259312).

Almost surely, 2^{18673608786164} is an apocalyptic number.

It is an amenable number.

18673608786164 is a deficient number, since it is larger than the sum of its proper divisors (14126621437324).

18673608786164 is a wasteful number, since it uses less digits than its factorization.

18673608786164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435575 (or 435573 counting only the distinct ones).

The product of its (nonzero) digits is 390168576, while the sum is 71.

The spelling of 18673608786164 in words is "eighteen trillion, six hundred seventy-three billion, six hundred eight million, seven hundred eighty-six thousand, one hundred sixty-four".