18946939740180 has 96 divisors (see below), whose sum is σ = 54170682418944. Its totient is φ = 4946339134464.

The previous prime is 18946939740133. The next prime is 18946939740221. The reversal of 18946939740180 is 8104793964981.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5065512 + ... + 7972031.

It is an arithmetic number, because the mean of its divisors is an integer number (564277941864).

Almost surely, 2^{18946939740180} is an apocalyptic number.

18946939740180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18946939740180 is an abundant number, since it is smaller than the sum of its proper divisors (35223742678764).

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

18946939740180 is a wasteful number, since it uses less digits than its factorization.

18946939740180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13038065 (or 13038063 counting only the distinct ones).

The product of its (nonzero) digits is 94058496, while the sum is 69.

The spelling of 18946939740180 in words is "eighteen trillion, nine hundred forty-six billion, nine hundred thirty-nine million, seven hundred forty thousand, one hundred eighty".