16699312 has 20 divisors (see below), whose sum is σ = 36977296. Its totient is φ = 7156800.

The previous prime is 16699307. The next prime is 16699313. The reversal of 16699312 is 21399661.

It is not an unprimeable number, because it can be changed into a prime (16699313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74439 + ... + 74662.

Almost surely, 2^16699312 is an apocalyptic number.

It is an amenable number.

16699312 is an abundant number, since it is smaller than the sum of its proper divisors (20277984).

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

16699312 is a wasteful number, since it uses less digits than its factorization.

16699312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149116 (or 149110 counting only the distinct ones).

The product of its digits is 17496, while the sum is 37.

The square root of 16699312 is about 4086.4791691626. The cubic root of 16699312 is about 255.6031448726.

The spelling of 16699312 in words is "sixteen million, six hundred ninety-nine thousand, three hundred twelve".