16851442 has 16 divisors (see below), whose sum is σ = 27228960. Its totient is φ = 7795872.

The previous prime is 16851431. The next prime is 16851467. The reversal of 16851442 is 24415861.

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, 3523 + ... + 6790.

It is an arithmetic number, because the mean of its divisors is an integer number (1701810).

Almost surely, 2^16851442 is an apocalyptic number.

16851442 is a deficient number, since it is larger than the sum of its proper divisors (10377518).

16851442 is a wasteful number, since it uses less digits than its factorization.

16851442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10377.

The product of its digits is 7680, while the sum is 31.

The square root of 16851442 is about 4105.0507914032. The cubic root of 16851442 is about 256.3769775612.

The spelling of 16851442 in words is "sixteen million, eight hundred fifty-one thousand, four hundred forty-two".