16840675 has 12 divisors (see below), whose sum is σ = 20933680. Its totient is φ = 13439520.

The previous prime is 16840633. The next prime is 16840721. The reversal of 16840675 is 57604861.

It is a de Polignac number, because none of the positive numbers 2^k-16840675 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17866 + ... + 18784.

Almost surely, 2^16840675 is an apocalyptic number.

16840675 is a deficient number, since it is larger than the sum of its proper divisors (4093005).

16840675 is an equidigital number, since it uses as much as digits as its factorization.

16840675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662 (or 1657 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 16840675 is about 4103.7391486302. The cubic root of 16840675 is about 256.3223630652.

The spelling of 16840675 in words is "sixteen million, eight hundred forty thousand, six hundred seventy-five".