16690383 has 6 divisors (see below), whose sum is σ = 24108344. Its totient is φ = 11126916.

The previous prime is 16690381. The next prime is 16690397. The reversal of 16690383 is 38309661.

It is a happy number.

It is not a de Polignac number, because 16690383 - 2¹ = 16690381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16690381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 927235 + ... + 927252.

Almost surely, 2^16690383 is an apocalyptic number.

16690383 is a deficient number, since it is larger than the sum of its proper divisors (7417961).

16690383 is a wasteful number, since it uses less digits than its factorization.

16690383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1854493 (or 1854490 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 16690383 is about 4085.3865178218. The cubic root of 16690383 is about 255.5575803732.

The spelling of 16690383 in words is "sixteen million, six hundred ninety thousand, three hundred eighty-three".