18563198096 has 20 divisors (see below), whose sum is σ = 35976695484. Its totient is φ = 9278889600.

The previous prime is 18563198063. The next prime is 18563198099. The reversal of 18563198096 is 69089136581.

It can be written as a sum of positive squares in 2 ways, for example, as 3523609600 + 15039588496 = 59360^2 + 122636^2 .

It is a super-3 number, since 3×18563198096³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (18563198099) 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, 112235 + ... + 222986.

Almost surely, 2^18563198096 is an apocalyptic number.

18563198096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18563198096 is a deficient number, since it is larger than the sum of its proper divisors (17413497388).

18563198096 is a wasteful number, since it uses less digits than its factorization.

18563198096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338690 (or 338684 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 56.

The spelling of 18563198096 in words is "eighteen billion, five hundred sixty-three million, one hundred ninety-eight thousand, ninety-six".