16297857 has 12 divisors (see below), whose sum is σ = 23577424. Its totient is φ = 10848600.

The previous prime is 16297829. The next prime is 16297859. The reversal of 16297857 is 75879261.

It is not a de Polignac number, because 16297857 - 2⁸ = 16297601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16297859) by changing a digit.

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, 8598 + ... + 10320.

Almost surely, 2^16297857 is an apocalyptic number.

It is an amenable number.

16297857 is a deficient number, since it is larger than the sum of its proper divisors (7279567).

16297857 is a wasteful number, since it uses less digits than its factorization.

16297857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2780 (or 2777 counting only the distinct ones).

The product of its digits is 211680, while the sum is 45.

The square root of 16297857 is about 4037.0604404690. The cubic root of 16297857 is about 253.5382573587.

The spelling of 16297857 in words is "sixteen million, two hundred ninety-seven thousand, eight hundred fifty-seven".