18516283392 has 104 divisors (see below), whose sum is σ = 49928404320. Its totient is φ = 6102384640.

The previous prime is 18516283381. The next prime is 18516283393. The reversal of 18516283392 is 29338261581.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (18516283393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1085167 + ... + 1102097.

Almost surely, 2^18516283392 is an apocalyptic number.

18516283392 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 18516283392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24964202160).

18516283392 is an abundant number, since it is smaller than the sum of its proper divisors (31412120928).

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

18516283392 is an equidigital number, since it uses as much as digits as its factorization.

18516283392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17047 (or 17025 counting only the distinct ones).

The product of its digits is 622080, while the sum is 48.

The spelling of 18516283392 in words is "eighteen billion, five hundred sixteen million, two hundred eighty-three thousand, three hundred ninety-two".