18176680684 has 12 divisors (see below), whose sum is σ = 32118019024. Its totient is φ = 9000103824.

The previous prime is 18176680681. The next prime is 18176680811. The reversal of 18176680684 is 48608667181.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (18176680681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22058667 + ... + 22059490.

Almost surely, 2^18176680684 is an apocalyptic number.

It is an amenable number.

18176680684 is a deficient number, since it is larger than the sum of its proper divisors (13941338340).

18176680684 is a wasteful number, since it uses less digits than its factorization.

18176680684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44118264 (or 44118262 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 55.

It can be divided in two parts, 181766 and 80684, that added together give a triangular number (262450 = T₇₂₄).

The spelling of 18176680684 in words is "eighteen billion, one hundred seventy-six million, six hundred eighty thousand, six hundred eighty-four".