18568341860 has 12 divisors (see below), whose sum is σ = 38993517948. Its totient is φ = 7427336736.

The previous prime is 18568341859. The next prime is 18568341863. The reversal of 18568341860 is 6814386581.

It can be written as a sum of positive squares in 2 ways, for example, as 2046838564 + 16521503296 = 45242^2 + 128536^2 .

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 18568341799 and 18568341808.

It is not an unprimeable number, because it can be changed into a prime (18568341863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 464208527 + ... + 464208566.

It is an arithmetic number, because the mean of its divisors is an integer number (3249459829).

Almost surely, 2^18568341860 is an apocalyptic number.

18568341860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18568341860 is an abundant number, since it is smaller than the sum of its proper divisors (20425176088).

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

18568341860 is a wasteful number, since it uses less digits than its factorization.

18568341860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928417102 (or 928417100 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 50.

The spelling of 18568341860 in words is "eighteen billion, five hundred sixty-eight million, three hundred forty-one thousand, eight hundred sixty".