16976669 has 2 divisors, whose sum is σ = 16976670. Its totient is φ = 16976668.

The previous prime is 16976651. The next prime is 16976681. The reversal of 16976669 is 96667961.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16687225 + 289444 = 4085^2 + 538^2 .

It is a cyclic number.

It is not a de Polignac number, because 16976669 - 2⁸ = 16976413 is a prime.

It is a super-2 number, since 2×16976669² = 576414580671122, 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 (16976639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8488334 + 8488335.

It is an arithmetic number, because the mean of its divisors is an integer number (8488335).

Almost surely, 2^16976669 is an apocalyptic number.

It is an amenable number.

16976669 is a deficient number, since it is larger than the sum of its proper divisors (1).

16976669 is an equidigital number, since it uses as much as digits as its factorization.

16976669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 734832, while the sum is 50.

The square root of 16976669 is about 4120.2753548762. The cubic root of 16976669 is about 257.0104766430.

The spelling of 16976669 in words is "sixteen million, nine hundred seventy-six thousand, six hundred sixty-nine".