16690682 has 8 divisors (see below), whose sum is σ = 25204500. Its totient is φ = 8289184.

The previous prime is 16690673. The next prime is 16690691. The reversal of 16690682 is 28609661.

It is an interprime number because it is at equal distance from previous prime (16690673) and next prime (16690691).

It can be written as a sum of positive squares in 2 ways, for example, as 16638241 + 52441 = 4079^2 + 229^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27707 + ... + 28302.

Almost surely, 2^16690682 is an apocalyptic number.

16690682 is a deficient number, since it is larger than the sum of its proper divisors (8513818).

16690682 is a wasteful number, since it uses less digits than its factorization.

16690682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56160.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 16690682 is about 4085.4231115027. The cubic root of 16690682 is about 255.5591064269.

The spelling of 16690682 in words is "sixteen million, six hundred ninety thousand, six hundred eighty-two".