18116495592 has 256 divisors, whose sum is σ = 53176166400. Its totient is φ = 5094835200.

The previous prime is 18116495567. The next prime is 18116495597. The reversal of 18116495592 is 29559461181.

It is not an unprimeable number, because it can be changed into a prime (18116495597) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33119463 + ... + 33120009.

It is an arithmetic number, because the mean of its divisors is an integer number (207719400).

Almost surely, 2^18116495592 is an apocalyptic number.

18116495592 is a gapful number since it is divisible by the number (12) 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 18116495592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26588083200).

18116495592 is an abundant number, since it is smaller than the sum of its proper divisors (35059670808).

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

18116495592 is a wasteful number, since it uses less digits than its factorization.

18116495592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776 (or 772 counting only the distinct ones).

The product of its digits is 777600, while the sum is 51.

The spelling of 18116495592 in words is "eighteen billion, one hundred sixteen million, four hundred ninety-five thousand, five hundred ninety-two".