16715969 has 2 divisors, whose sum is σ = 16715970. Its totient is φ = 16715968.

The previous prime is 16715927. The next prime is 16715983. The reversal of 16715969 is 96951761.

It is a happy number.

16715969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16711744 + 4225 = 4088^2 + 65^2 .

It is a cyclic number.

It is not a de Polignac number, because 16715969 - 2¹² = 16711873 is a prime.

It is a super-2 number, since 2×16715969² = 558847239217922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16715989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8357984 + 8357985.

It is an arithmetic number, because the mean of its divisors is an integer number (8357985).

Almost surely, 2^16715969 is an apocalyptic number.

It is an amenable number.

16715969 is a deficient number, since it is larger than the sum of its proper divisors (1).

16715969 is an equidigital number, since it uses as much as digits as its factorization.

16715969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 102060, while the sum is 44.

The square root of 16715969 is about 4088.5167237031. The cubic root of 16715969 is about 255.6881018012.

The spelling of 16715969 in words is "sixteen million, seven hundred fifteen thousand, nine hundred sixty-nine".