18541801708 has 12 divisors (see below), whose sum is σ = 32518542672. Its totient is φ = 9250789520.

The previous prime is 18541801697. The next prime is 18541801709. The reversal of 18541801708 is 80710814581.

It is not an unprimeable number, because it can be changed into a prime (18541801709) 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, 5025760 + ... + 5029447.

It is an arithmetic number, because the mean of its divisors is an integer number (2709878556).

Almost surely, 2^18541801708 is an apocalyptic number.

It is an amenable number.

18541801708 is a deficient number, since it is larger than the sum of its proper divisors (13976740964).

18541801708 is a wasteful number, since it uses less digits than its factorization.

18541801708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10055672 (or 10055670 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 43.

The spelling of 18541801708 in words is "eighteen billion, five hundred forty-one million, eight hundred one thousand, seven hundred eight".