18582185968 has 20 divisors (see below), whose sum is σ = 36881108208. Its totient is φ = 9064480640.

The previous prime is 18582185933. The next prime is 18582185969. The reversal of 18582185968 is 86958128581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18582185969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14162596 + ... + 14163907.

Almost surely, 2^18582185968 is an apocalyptic number.

It is an amenable number.

18582185968 is a deficient number, since it is larger than the sum of its proper divisors (18298922240).

18582185968 is a wasteful number, since it uses less digits than its factorization.

18582185968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28326552 (or 28326546 counting only the distinct ones).

The product of its digits is 11059200, while the sum is 61.

The spelling of 18582185968 in words is "eighteen billion, five hundred eighty-two million, one hundred eighty-five thousand, nine hundred sixty-eight".