16997707 has 2 divisors, whose sum is σ = 16997708. Its totient is φ = 16997706.

The previous prime is 16997693. The next prime is 16997767. The reversal of 16997707 is 70779961.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16997707 - 2¹¹ = 16995659 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16997767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8498853 + 8498854.

It is an arithmetic number, because the mean of its divisors is an integer number (8498854).

Almost surely, 2^16997707 is an apocalyptic number.

16997707 is a deficient number, since it is larger than the sum of its proper divisors (1).

16997707 is an equidigital number, since it uses as much as digits as its factorization.

16997707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 166698, while the sum is 46.

The square root of 16997707 is about 4122.8275491463. The cubic root of 16997707 is about 257.1165978623.

The spelling of 16997707 in words is "sixteen million, nine hundred ninety-seven thousand, seven hundred seven".