18214316843632 has 240 divisors, whose sum is σ = 45868612262592. Its totient is φ = 6822226944000.

The previous prime is 18214316843573. The next prime is 18214316843641. The reversal of 18214316843632 is 23634861341281.

It is a super-2 number, since 2×18214316843632² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a self number, because there is not a number n which added to its sum of digits gives 18214316843632.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 934009882 + ... + 934029382.

Almost surely, 2^{18214316843632} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18214316843632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22934306131296).

18214316843632 is an abundant number, since it is smaller than the sum of its proper divisors (27654295418960).

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

18214316843632 is a wasteful number, since it uses less digits than its factorization.

18214316843632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21344 (or 21319 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 52.

The spelling of 18214316843632 in words is "eighteen trillion, two hundred fourteen billion, three hundred sixteen million, eight hundred forty-three thousand, six hundred thirty-two".