18822706368 has 56 divisors (see below), whose sum is σ = 50059882608. Its totient is φ = 6241714176.

The previous prime is 18822706367. The next prime is 18822706369. The reversal of 18822706368 is 86360722881.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (18822706367) and next prime (18822706369).

It is a self number, because there is not a number n which added to its sum of digits gives 18822706368.

It is not an unprimeable number, because it can be changed into a prime (18822706367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216921 + ... + 291032.

Almost surely, 2^18822706368 is an apocalyptic number.

It is an amenable number.

18822706368 is an abundant number, since it is smaller than the sum of its proper divisors (31237176240).

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

18822706368 is a wasteful number, since it uses less digits than its factorization.

18822706368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508161 (or 508151 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 51.

The spelling of 18822706368 in words is "eighteen billion, eight hundred twenty-two million, seven hundred six thousand, three hundred sixty-eight".