18247832064 has 960 divisors, whose sum is σ = 71652556800. Its totient is φ = 4528742400.

The previous prime is 18247832039. The next prime is 18247832089. The reversal of 18247832064 is 46023874281.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (18247832039) and next prime (18247832089).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 230985177 + ... + 230985255.

It is an arithmetic number, because the mean of its divisors is an integer number (74638080).

Almost surely, 2^18247832064 is an apocalyptic number.

18247832064 is a gapful number since it is divisible by the number (14) 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 18247832064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35826278400).

18247832064 is an abundant number, since it is smaller than the sum of its proper divisors (53404724736).

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

18247832064 is a wasteful number, since it uses less digits than its factorization.

18247832064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The spelling of 18247832064 in words is "eighteen billion, two hundred forty-seven million, eight hundred thirty-two thousand, sixty-four".