16306857 has 36 divisors (see below), whose sum is σ = 27743040. Its totient is φ = 9202032.

The previous prime is 16306853. The next prime is 16306867. The reversal of 16306857 is 75860361.

It is not a de Polignac number, because 16306857 - 2² = 16306853 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16306853) 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 35 ways as a sum of consecutive naturals, for example, 45244 + ... + 45602.

It is an arithmetic number, because the mean of its divisors is an integer number (770640).

Almost surely, 2^16306857 is an apocalyptic number.

It is an amenable number.

16306857 is a deficient number, since it is larger than the sum of its proper divisors (11436183).

16306857 is a wasteful number, since it uses less digits than its factorization.

16306857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482 (or 472 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 16306857 is about 4038.1749590626. The cubic root of 16306857 is about 253.5849183895.

The spelling of 16306857 in words is "sixteen million, three hundred six thousand, eight hundred fifty-seven".