18622033144 has 64 divisors (see below), whose sum is σ = 41227200000. Its totient is φ = 7774081920.

The previous prime is 18622033097. The next prime is 18622033187. The reversal of 18622033144 is 44133022681.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186757 + ... + 268555.

It is an arithmetic number, because the mean of its divisors is an integer number (644175000).

Almost surely, 2^18622033144 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 18622033144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20613600000).

18622033144 is an abundant number, since it is smaller than the sum of its proper divisors (22605166856).

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

18622033144 is a wasteful number, since it uses less digits than its factorization.

18622033144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82028 (or 82024 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The spelling of 18622033144 in words is "eighteen billion, six hundred twenty-two million, thirty-three thousand, one hundred forty-four".