16670668 has 12 divisors (see below), whose sum is σ = 33341392. Its totient is φ = 7144560.

The previous prime is 16670663. The next prime is 16670669. The reversal of 16670668 is 86607661.

16670668 is an admirable number.

It is a super-2 number, since 2×16670668² = 555822343132448, which contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 16670668.

It is not an unprimeable number, because it can be changed into a prime (16670663) 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 3 ways as a sum of consecutive naturals, for example, 297663 + ... + 297718.

Almost surely, 2^16670668 is an apocalyptic number.

It is an amenable number.

16670668 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

16670668 is a wasteful number, since it uses less digits than its factorization.

16670668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595392 (or 595390 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 16670668 is about 4082.9729364766. The cubic root of 16670668 is about 255.4569175587.

The spelling of 16670668 in words is "sixteen million, six hundred seventy thousand, six hundred sixty-eight".