18354894896 has 40 divisors (see below), whose sum is σ = 38759654640. Its totient is φ = 8369415936.

The previous prime is 18354894893. The next prime is 18354894911. The reversal of 18354894896 is 69849845381.

It is not an unprimeable number, because it can be changed into a prime (18354894893) 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, 514331 + ... + 548858.

It is an arithmetic number, because the mean of its divisors is an integer number (968991366).

Almost surely, 2^18354894896 is an apocalyptic number.

18354894896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18354894896 is an abundant number, since it is smaller than the sum of its proper divisors (20404759744).

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

18354894896 is a wasteful number, since it uses less digits than its factorization.

18354894896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063293 (or 1063287 counting only the distinct ones).

The product of its digits is 59719680, while the sum is 65.

The spelling of 18354894896 in words is "eighteen billion, three hundred fifty-four million, eight hundred ninety-four thousand, eight hundred ninety-six".