18749067413664 has 96 divisors (see below), whose sum is σ = 56605464994176. Its totient is φ = 5322756142080.

The previous prime is 18749067413663. The next prime is 18749067413693. The reversal of 18749067413664 is 46631476094781.

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

It is a hoax number, since the sum of its digits (66) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 18749067413595 and 18749067413604.

It is not an unprimeable number, because it can be changed into a prime (18749067413663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88749267 + ... + 88960274.

It is an arithmetic number, because the mean of its divisors is an integer number (589640260356).

Almost surely, 2^{18749067413664} is an apocalyptic number.

18749067413664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

18749067413664 is an abundant number, since it is smaller than the sum of its proper divisors (37856397580512).

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

18749067413664 is a wasteful number, since it uses less digits than its factorization.

18749067413664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177709718 (or 177709710 counting only the distinct ones).

The product of its (nonzero) digits is 146313216, while the sum is 66.

The spelling of 18749067413664 in words is "eighteen trillion, seven hundred forty-nine billion, sixty-seven million, four hundred thirteen thousand, six hundred sixty-four".