18416996 has 24 divisors (see below), whose sum is σ = 34956600. Its totient is φ = 8439552.

The previous prime is 18416989. The next prime is 18417011. The reversal of 18416996 is 69961481.

It can be written as a sum of positive squares in 4 ways, for example, as 98596 + 18318400 = 314^2 + 4280^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6560 + ... + 8936.

It is an arithmetic number, because the mean of its divisors is an integer number (1456525).

Almost surely, 2^18416996 is an apocalyptic number.

It is an amenable number.

18416996 is a deficient number, since it is larger than the sum of its proper divisors (16539604).

18416996 is a wasteful number, since it uses less digits than its factorization.

18416996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2543 (or 2541 counting only the distinct ones).

The product of its digits is 93312, while the sum is 44.

The square root of 18416996 is about 4291.5027670969. The cubic root of 18416996 is about 264.0824849387.

The spelling of 18416996 in words is "eighteen million, four hundred sixteen thousand, nine hundred ninety-six".