18282966138 has 32 divisors (see below), whose sum is σ = 41317444800. Its totient is φ = 5991027408.

The previous prime is 18282966109. The next prime is 18282966151. The reversal of 18282966138 is 83166928281.

18282966138 is a `hidden beast` number, since 18 + 2 + 8 + 2 + 9 + 6 + 613 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2866081 + ... + 2872452.

It is an arithmetic number, because the mean of its divisors is an integer number (1291170150).

Almost surely, 2^18282966138 is an apocalyptic number.

18282966138 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

18282966138 is an abundant number, since it is smaller than the sum of its proper divisors (23034478662).

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

18282966138 is a wasteful number, since it uses less digits than its factorization.

18282966138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5738603 (or 5738597 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 54.

The spelling of 18282966138 in words is "eighteen billion, two hundred eighty-two million, nine hundred sixty-six thousand, one hundred thirty-eight".