18603361798 has 16 divisors (see below), whose sum is σ = 31986118944. Its totient is φ = 7949208960.

The previous prime is 18603361747. The next prime is 18603361807. The reversal of 18603361798 is 89716330681.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1966813 + ... + 1976248.

It is an arithmetic number, because the mean of its divisors is an integer number (1999132434).

Almost surely, 2^18603361798 is an apocalyptic number.

18603361798 is a deficient number, since it is larger than the sum of its proper divisors (13382757146).

18603361798 is a wasteful number, since it uses less digits than its factorization.

18603361798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3943407.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The spelling of 18603361798 in words is "eighteen billion, six hundred three million, three hundred sixty-one thousand, seven hundred ninety-eight".