18375641088 has 384 divisors, whose sum is σ = 60826671360. Its totient is φ = 4812963840.

The previous prime is 18375641069. The next prime is 18375641101. The reversal of 18375641088 is 88014657381.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 18375641088.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29976270 + ... + 29976882.

It is an arithmetic number, because the mean of its divisors is an integer number (158402790).

Almost surely, 2^18375641088 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 18375641088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30413335680).

18375641088 is an abundant number, since it is smaller than the sum of its proper divisors (42451030272).

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

18375641088 is a wasteful number, since it uses less digits than its factorization.

18375641088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703 (or 683 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 51.

The spelling of 18375641088 in words is "eighteen billion, three hundred seventy-five million, six hundred forty-one thousand, eighty-eight".