18094664680 has 64 divisors (see below), whose sum is σ = 43130886480. Its totient is φ = 6808473600.

The previous prime is 18094664677. The next prime is 18094664683. The reversal of 18094664680 is 8646649081.

It is an interprime number because it is at equal distance from previous prime (18094664677) and next prime (18094664683).

It can be written as a sum of positive squares in 8 ways, for example, as 16343576964 + 1751087716 = 127842^2 + 41846^2 .

It is not an unprimeable number, because it can be changed into a prime (18094664683) 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 15 ways as a sum of consecutive naturals, for example, 1504290 + ... + 1516270.

Almost surely, 2^18094664680 is an apocalyptic number.

18094664680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18094664680 is an abundant number, since it is smaller than the sum of its proper divisors (25036221800).

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

18094664680 is a wasteful number, since it uses less digits than its factorization.

18094664680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14230 (or 14226 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 52.

The spelling of 18094664680 in words is "eighteen billion, ninety-four million, six hundred sixty-four thousand, six hundred eighty".