16899442 has 16 divisors (see below), whose sum is σ = 29031552. Its totient is φ = 7227360.

The previous prime is 16899413. The next prime is 16899497. The reversal of 16899442 is 24499861.

It is a super-2 number, since 2×16899442² = 571182279822728, which contains 22 as substring.

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, 7878 + ... + 9790.

It is an arithmetic number, because the mean of its divisors is an integer number (1814472).

Almost surely, 2^16899442 is an apocalyptic number.

16899442 is a deficient number, since it is larger than the sum of its proper divisors (12132110).

16899442 is a wasteful number, since it uses less digits than its factorization.

16899442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2553.

The product of its digits is 124416, while the sum is 43.

The square root of 16899442 is about 4110.8930903150. The cubic root of 16899442 is about 256.6201699848.

The spelling of 16899442 in words is "sixteen million, eight hundred ninety-nine thousand, four hundred forty-two".