16689060 has 36 divisors (see below), whose sum is σ = 50624028. Its totient is φ = 4450368.

The previous prime is 16688999. The next prime is 16689061. The reversal of 16689060 is 6098661.

It can be written as a sum of positive squares in 2 ways, for example, as 11128896 + 5560164 = 3336^2 + 2358^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (16689061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46179 + ... + 46538.

It is an arithmetic number, because the mean of its divisors is an integer number (1406223).

Almost surely, 2^16689060 is an apocalyptic number.

16689060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16689060 is an abundant number, since it is smaller than the sum of its proper divisors (33934968).

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

16689060 is a wasteful number, since it uses less digits than its factorization.

16689060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92732 (or 92727 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 16689060 is about 4085.2245960290. The cubic root of 16689060 is about 255.5508277498.

The spelling of 16689060 in words is "sixteen million, six hundred eighty-nine thousand, sixty".