16689610 has 16 divisors (see below), whose sum is σ = 34333056. Its totient is φ = 5722128.

The previous prime is 16689599. The next prime is 16689611. The reversal of 16689610 is 1698661.

It is a self number, because there is not a number n which added to its sum of digits gives 16689610.

It is not an unprimeable number, because it can be changed into a prime (16689611) 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, 119142 + ... + 119281.

It is an arithmetic number, because the mean of its divisors is an integer number (2145816).

Almost surely, 2^16689610 is an apocalyptic number.

16689610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16689610 is an abundant number, since it is smaller than the sum of its proper divisors (17643446).

16689610 is a wasteful number, since it uses less digits than its factorization.

16689610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238437.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 16689610 is about 4085.2919112347. The cubic root of 16689610 is about 255.5536350062.

The spelling of 16689610 in words is "sixteen million, six hundred eighty-nine thousand, six hundred ten".