18237752082 has 96 divisors (see below), whose sum is σ = 45935195904. Its totient is φ = 5168217600.

The previous prime is 18237752047. The next prime is 18237752101. The reversal of 18237752082 is 28025773281.

18237752082 is a `hidden beast` number, since 18 + 2 + 37 + 7 + 520 + 82 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

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, 511207 + ... + 545717.

It is an arithmetic number, because the mean of its divisors is an integer number (478491624).

Almost surely, 2^18237752082 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18237752082, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22967597952).

18237752082 is an abundant number, since it is smaller than the sum of its proper divisors (27697443822).

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

18237752082 is a wasteful number, since it uses less digits than its factorization.

18237752082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34704 (or 34701 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The spelling of 18237752082 in words is "eighteen billion, two hundred thirty-seven million, seven hundred fifty-two thousand, eighty-two".