18678757232080 has 120 divisors (see below), whose sum is σ = 48750670757376. Its totient is φ = 6647758698240.

The previous prime is 18678757232041. The next prime is 18678757232129. The reversal of 18678757232080 is 8023275787681.

It is a super-2 number, since 2×18678757232080² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20072952 + ... + 20982871.

Almost surely, 2^{18678757232080} is an apocalyptic number.

18678757232080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18678757232080 is an abundant number, since it is smaller than the sum of its proper divisors (30071913525296).

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

18678757232080 is a wasteful number, since it uses less digits than its factorization.

18678757232080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41055905 (or 41055888 counting only the distinct ones).

The product of its (nonzero) digits is 63221760, while the sum is 64.

The spelling of 18678757232080 in words is "eighteen trillion, six hundred seventy-eight billion, seven hundred fifty-seven million, two hundred thirty-two thousand, eighty".