18766338360 has 256 divisors, whose sum is σ = 70290063360. Its totient is φ = 3893998080.

The previous prime is 18766338359. The next prime is 18766338377. The reversal of 18766338360 is 6383366781.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11854129 + ... + 11855711.

It is an arithmetic number, because the mean of its divisors is an integer number (274570560).

Almost surely, 2^18766338360 is an apocalyptic number.

18766338360 is a gapful number since it is divisible by the number (10) 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 18766338360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35145031680).

18766338360 is an abundant number, since it is smaller than the sum of its proper divisors (51523725000).

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

18766338360 is a wasteful number, since it uses less digits than its factorization.

18766338360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2898 (or 2894 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 51.

The spelling of 18766338360 in words is "eighteen billion, seven hundred sixty-six million, three hundred thirty-eight thousand, three hundred sixty".