18062689959936 has 480 divisors, whose sum is σ = 53925460789200. Its totient is φ = 5821761060864.

The previous prime is 18062689959917. The next prime is 18062689959971. The reversal of 18062689959936 is 63995998626081.

18062689959936 is a `hidden beast` number, since 18 + 0 + 6 + 2 + 6 + 8 + 9 + 9 + 599 + 3 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53598486360 + ... + 53598486696.

Almost surely, 2^{18062689959936} is an apocalyptic number.

18062689959936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18062689959936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26962730394600).

18062689959936 is an abundant number, since it is smaller than the sum of its proper divisors (35862770829264).

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

18062689959936 is an frugal number, since it uses more digits than its factorization.

18062689959936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725 (or 686 counting only the distinct ones).

The product of its (nonzero) digits is 2720977920, while the sum is 81.

The spelling of 18062689959936 in words is "eighteen trillion, sixty-two billion, six hundred eighty-nine million, nine hundred fifty-nine thousand, nine hundred thirty-six".