16868151 has 12 divisors (see below), whose sum is σ = 24825528. Its totient is φ = 11032944.

The previous prime is 16868129. The next prime is 16868161. The reversal of 16868151 is 15186861.

It is not a de Polignac number, because 16868151 - 2⁵ = 16868119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16868161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17205 + ... + 18158.

It is an arithmetic number, because the mean of its divisors is an integer number (2068794).

Almost surely, 2^16868151 is an apocalyptic number.

16868151 is a deficient number, since it is larger than the sum of its proper divisors (7957377).

16868151 is a wasteful number, since it uses less digits than its factorization.

16868151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35422 (or 35419 counting only the distinct ones).

The product of its digits is 11520, while the sum is 36.

The square root of 16868151 is about 4107.0854629530. The cubic root of 16868151 is about 256.4616861939.

The spelling of 16868151 in words is "sixteen million, eight hundred sixty-eight thousand, one hundred fifty-one".