18247358976 has 640 divisors, whose sum is σ = 64147894272. Its totient is φ = 4472832000.

The previous prime is 18247358971. The next prime is 18247358977. The reversal of 18247358976 is 67985374281.

It is a super-2 number, since 2×18247358976² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18247358971) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 257005021 + ... + 257005091.

Almost surely, 2^18247358976 is an apocalyptic number.

18247358976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18247358976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32073947136).

18247358976 is an abundant number, since it is smaller than the sum of its proper divisors (45900535296).

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

18247358976 is a wasteful number, since it uses less digits than its factorization.

18247358976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204 (or 188 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 60.

The spelling of 18247358976 in words is "eighteen billion, two hundred forty-seven million, three hundred fifty-eight thousand, nine hundred seventy-six".