18275408316 has 36 divisors (see below), whose sum is σ = 50395824024. Its totient is φ = 5538002400.

The previous prime is 18275408311. The next prime is 18275408353. The reversal of 18275408316 is 61380457281.

18275408316 is a `hidden beast` number, since 1 + 8 + 27 + 540 + 83 + 1 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18275408311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23074615 + ... + 23075406.

Almost surely, 2^18275408316 is an apocalyptic number.

It is an amenable number.

18275408316 is an abundant number, since it is smaller than the sum of its proper divisors (32120415708).

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

18275408316 is a wasteful number, since it uses less digits than its factorization.

18275408316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46150042 (or 46150037 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 18275408316 in words is "eighteen billion, two hundred seventy-five million, four hundred eight thousand, three hundred sixteen".