16868660 has 24 divisors (see below), whose sum is σ = 36965376. Its totient is φ = 6453920.

The previous prime is 16868653. The next prime is 16868669. The reversal of 16868660 is 6686861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16868669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17876 + ... + 18795.

It is an arithmetic number, because the mean of its divisors is an integer number (1540224).

Almost surely, 2^16868660 is an apocalyptic number.

16868660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16868660 is an abundant number, since it is smaller than the sum of its proper divisors (20096716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16868660 is a wasteful number, since it uses less digits than its factorization.

16868660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36703 (or 36701 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 16868660 is about 4107.1474285689. The cubic root of 16868660 is about 256.4642657630.

The spelling of 16868660 in words is "sixteen million, eight hundred sixty-eight thousand, six hundred sixty".