18374255622 has 80 divisors (see below), whose sum is σ = 43671217392. Its totient is φ = 5754240000.

The previous prime is 18374255597. The next prime is 18374255651. The reversal of 18374255622 is 22655247381.

18374255622 is a `hidden beast` number, since 1 + 8 + 3 + 74 + 2 + 556 + 22 = 666.

18374255622 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×18374255622² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1627497 + ... + 1638747.

Almost surely, 2^18374255622 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18374255622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21835608696).

18374255622 is an abundant number, since it is smaller than the sum of its proper divisors (25296961770).

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

18374255622 is a wasteful number, since it uses less digits than its factorization.

18374255622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11875 (or 11866 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The spelling of 18374255622 in words is "eighteen billion, three hundred seventy-four million, two hundred fifty-five thousand, six hundred twenty-two".