18086901996 has 24 divisors (see below), whose sum is σ = 42486015600. Its totient is φ = 5988503872.

The previous prime is 18086901967. The next prime is 18086901997. The reversal of 18086901996 is 69910968081.

It is not an unprimeable number, because it can be changed into a prime (18086901997) 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, 5056071 + ... + 5059646.

It is an arithmetic number, because the mean of its divisors is an integer number (1770250650).

Almost surely, 2^18086901996 is an apocalyptic number.

It is an amenable number.

18086901996 is an abundant number, since it is smaller than the sum of its proper divisors (24399113604).

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

18086901996 is a wasteful number, since it uses less digits than its factorization.

18086901996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10115873 (or 10115871 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 57.

The spelling of 18086901996 in words is "eighteen billion, eighty-six million, nine hundred one thousand, nine hundred ninety-six".