18461697764120 has 64 divisors (see below), whose sum is σ = 45825189812640. Its totient is φ = 6650367667200.

The previous prime is 18461697764077. The next prime is 18461697764131. The reversal of 18461697764120 is 2146779616481.

It is a hoax number, since the sum of its digits (62) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 432945326 + ... + 432987965.

Almost surely, 2^{18461697764120} is an apocalyptic number.

18461697764120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18461697764120 is an abundant number, since it is smaller than the sum of its proper divisors (27363492048520).

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

18461697764120 is a wasteful number, since it uses less digits than its factorization.

18461697764120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865933356 (or 865933352 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 62.

The spelling of 18461697764120 in words is "eighteen trillion, four hundred sixty-one billion, six hundred ninety-seven million, seven hundred sixty-four thousand, one hundred twenty".