16268985 has 16 divisors (see below), whose sum is σ = 28922880. Its totient is φ = 8676720.

The previous prime is 16268951. The next prime is 16269031. The reversal of 16268985 is 58986261.

It is not a de Polignac number, because 16268985 - 2⁸ = 16268729 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 16268985.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60121 + ... + 60390.

It is an arithmetic number, because the mean of its divisors is an integer number (1807680).

Almost surely, 2^16268985 is an apocalyptic number.

16268985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16268985 is a deficient number, since it is larger than the sum of its proper divisors (12653895).

16268985 is a wasteful number, since it uses less digits than its factorization.

16268985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120525 (or 120519 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 16268985 is about 4033.4829862044. The cubic root of 16268985 is about 253.3884527264.

The spelling of 16268985 in words is "sixteen million, two hundred sixty-eight thousand, nine hundred eighty-five".