18010996 has 12 divisors (see below), whose sum is σ = 31963680. Its totient is φ = 8878520.

The previous prime is 18010991. The next prime is 18010997. The reversal of 18010996 is 69901081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18010991) 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, 31426 + ... + 31993.

It is an arithmetic number, because the mean of its divisors is an integer number (2663640).

Almost surely, 2^18010996 is an apocalyptic number.

It is an amenable number.

18010996 is a deficient number, since it is larger than the sum of its proper divisors (13952684).

18010996 is a wasteful number, since it uses less digits than its factorization.

18010996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63494 (or 63492 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 34.

The square root of 18010996 is about 4243.9363802960. The cubic root of 18010996 is about 262.1274946176.

The spelling of 18010996 in words is "eighteen million, ten thousand, nine hundred ninety-six".