16679812 has 6 divisors (see below), whose sum is σ = 29189678. Its totient is φ = 8339904.

The previous prime is 16679809. The next prime is 16679821. The reversal of 16679812 is 21897661.

16679812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 16532356 + 147456 = 4066^2 + 384^2 .

It is a super-2 number, since 2×16679812² = 556432256710688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2084973 + ... + 2084980.

Almost surely, 2^16679812 is an apocalyptic number.

It is an amenable number.

16679812 is a deficient number, since it is larger than the sum of its proper divisors (12509866).

16679812 is a wasteful number, since it uses less digits than its factorization.

16679812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4169957 (or 4169955 counting only the distinct ones).

The product of its digits is 36288, while the sum is 40.

The square root of 16679812 is about 4084.0925552686. The cubic root of 16679812 is about 255.5036157693.

The spelling of 16679812 in words is "sixteen million, six hundred seventy-nine thousand, eight hundred twelve".