18796018068 has 36 divisors (see below), whose sum is σ = 47516547988. Its totient is φ = 6264760320.

The previous prime is 18796018051. The next prime is 18796018081. The reversal of 18796018068 is 86081069781.

It can be written as a sum of positive squares in 2 ways, for example, as 1146364164 + 17649653904 = 33858^2 + 132852^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 573780 + ... + 605652.

Almost surely, 2^18796018068 is an apocalyptic number.

18796018068 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

18796018068 is an abundant number, since it is smaller than the sum of its proper divisors (28720529920).

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

18796018068 is a wasteful number, since it uses less digits than its factorization.

18796018068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48264 (or 48259 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 54.

The spelling of 18796018068 in words is "eighteen billion, seven hundred ninety-six million, eighteen thousand, sixty-eight".