18184190116 has 6 divisors (see below), whose sum is σ = 31822332710. Its totient is φ = 9092095056.

The previous prime is 18184190107. The next prime is 18184190117. The reversal of 18184190116 is 61109148181.

It can be written as a sum of positive squares in only one way, i.e., 10128409600 + 8055780516 = 100640^2 + 89754^2 .

It is not an unprimeable number, because it can be changed into a prime (18184190117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2273023761 + ... + 2273023768.

Almost surely, 2^18184190116 is an apocalyptic number.

It is an amenable number.

18184190116 is a deficient number, since it is larger than the sum of its proper divisors (13638142594).

18184190116 is a wasteful number, since it uses less digits than its factorization.

18184190116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4546047533 (or 4546047531 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 40.

The spelling of 18184190116 in words is "eighteen billion, one hundred eighty-four million, one hundred ninety thousand, one hundred sixteen".