18341637479712 has 96 divisors (see below), whose sum is σ = 55222134428160. Its totient is φ = 5916657242880.

The previous prime is 18341637479701. The next prime is 18341637479749. The reversal of 18341637479712 is 21797473614381.

18341637479712 is a `hidden beast` number, since 1 + 8 + 34 + 1 + 63 + 7 + 479 + 71 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 18341637479712.

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, 342372363 + ... + 342425930.

It is an arithmetic number, because the mean of its divisors is an integer number (575230566960).

Almost surely, 2^{18341637479712} is an apocalyptic number.

18341637479712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18341637479712 is an abundant number, since it is smaller than the sum of its proper divisors (36880496948448).

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

18341637479712 is a wasteful number, since it uses less digits than its factorization.

18341637479712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684798343 (or 684798329 counting only the distinct ones).

The product of its digits is 42674688, while the sum is 63.

The spelling of 18341637479712 in words is "eighteen trillion, three hundred forty-one billion, six hundred thirty-seven million, four hundred seventy-nine thousand, seven hundred twelve".