18164336364 has 72 divisors (see below), whose sum is σ = 46108608000. Its totient is φ = 6029366112.

The previous prime is 18164336297. The next prime is 18164336369. The reversal of 18164336364 is 46363346181.

18164336364 is a `hidden beast` number, since 1 + 8 + 1 + 6 + 4 + 3 + 3 + 636 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (18164336369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12116887 + ... + 12118385.

Almost surely, 2^18164336364 is an apocalyptic number.

It is an amenable number.

18164336364 is an abundant number, since it is smaller than the sum of its proper divisors (27944271636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18164336364 is a wasteful number, since it uses less digits than its factorization.

18164336364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2699 (or 2694 counting only the distinct ones).

The product of its digits is 746496, while the sum is 45.

The spelling of 18164336364 in words is "eighteen billion, one hundred sixty-four million, three hundred thirty-six thousand, three hundred sixty-four".