18398006106 has 16 divisors (see below), whose sum is σ = 36826664448. Its totient is φ = 6127560000.

The previous prime is 18398006093. The next prime is 18398006111. The reversal of 18398006106 is 60160089381.

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, 1269370 + ... + 1283781.

It is an arithmetic number, because the mean of its divisors is an integer number (2301666528).

Almost surely, 2^18398006106 is an apocalyptic number.

18398006106 is an abundant number, since it is smaller than the sum of its proper divisors (18428658342).

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

18398006106 is a wasteful number, since it uses less digits than its factorization.

18398006106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2554357.

The product of its (nonzero) digits is 62208, while the sum is 42.

The spelling of 18398006106 in words is "eighteen billion, three hundred ninety-eight million, six thousand, one hundred six".