16813442 has 24 divisors (see below), whose sum is σ = 28219440. Its totient is φ = 7490880.

The previous prime is 16813399. The next prime is 16813453. The reversal of 16813442 is 24431861.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10217 + ... + 11747.

It is an arithmetic number, because the mean of its divisors is an integer number (1175810).

Almost surely, 2^16813442 is an apocalyptic number.

16813442 is a deficient number, since it is larger than the sum of its proper divisors (11405998).

16813442 is a wasteful number, since it uses less digits than its factorization.

16813442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1586 (or 1569 counting only the distinct ones).

The product of its digits is 4608, while the sum is 29.

The square root of 16813442 is about 4100.4197346125. The cubic root of 16813442 is about 256.1841225063.

The spelling of 16813442 in words is "sixteen million, eight hundred thirteen thousand, four hundred forty-two".