16856374 has 16 divisors (see below), whose sum is σ = 26534016. Its totient is φ = 8020800.

The previous prime is 16856353. The next prime is 16856383. The reversal of 16856374 is 47365861.

It is a happy number.

It is a congruent number.

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, 1554 + ... + 6010.

It is an arithmetic number, because the mean of its divisors is an integer number (1658376).

Almost surely, 2^16856374 is an apocalyptic number.

16856374 is a deficient number, since it is larger than the sum of its proper divisors (9677642).

16856374 is a wasteful number, since it uses less digits than its factorization.

16856374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4551.

The product of its digits is 120960, while the sum is 40.

The square root of 16856374 is about 4105.6514708387. The cubic root of 16856374 is about 256.4019868535.

The spelling of 16856374 in words is "sixteen million, eight hundred fifty-six thousand, three hundred seventy-four".