18698338624960 has 56 divisors (see below), whose sum is σ = 44528660280576. Its totient is φ = 7478790958080.

The previous prime is 18698338624891. The next prime is 18698338625033. The reversal of 18698338624960 is 6942683389681.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2289889 + ... + 6529951.

Almost surely, 2^{18698338624960} is an apocalyptic number.

18698338624960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18698338624960 is an abundant number, since it is smaller than the sum of its proper divisors (25830321655616).

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

18698338624960 is a wasteful number, since it uses less digits than its factorization.

18698338624960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4253861 (or 4253851 counting only the distinct ones).

The product of its (nonzero) digits is 644972544, while the sum is 73.

The spelling of 18698338624960 in words is "eighteen trillion, six hundred ninety-eight billion, three hundred thirty-eight million, six hundred twenty-four thousand, nine hundred sixty".