18025812966 has 48 divisors (see below), whose sum is σ = 42125819904. Its totient is φ = 5127118416.

The previous prime is 18025812907. The next prime is 18025812983. The reversal of 18025812966 is 66921852081.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71910 + ... + 203033.

It is an arithmetic number, because the mean of its divisors is an integer number (877621248).

Almost surely, 2^18025812966 is an apocalyptic number.

18025812966 is an abundant number, since it is smaller than the sum of its proper divisors (24100006938).

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

18025812966 is a wasteful number, since it uses less digits than its factorization.

18025812966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275185 (or 275178 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 48.

The spelling of 18025812966 in words is "eighteen billion, twenty-five million, eight hundred twelve thousand, nine hundred sixty-six".