16675679 has 2 divisors, whose sum is σ = 16675680. Its totient is φ = 16675678.

The previous prime is 16675669. The next prime is 16675709. The reversal of 16675679 is 97657661.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (97657661) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16675679 - 2⁸ = 16675423 is a prime.

It is a super-2 number, since 2×16675679² = 556156540222082, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16675619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8337839 + 8337840.

It is an arithmetic number, because the mean of its divisors is an integer number (8337840).

Almost surely, 2^16675679 is an apocalyptic number.

16675679 is a deficient number, since it is larger than the sum of its proper divisors (1).

16675679 is an equidigital number, since it uses as much as digits as its factorization.

16675679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 476280, while the sum is 47.

The square root of 16675679 is about 4083.5865363673. The cubic root of 16675679 is about 255.4825107418.

The spelling of 16675679 in words is "sixteen million, six hundred seventy-five thousand, six hundred seventy-nine".