16700969 has 2 divisors, whose sum is σ = 16700970. Its totient is φ = 16700968.

The previous prime is 16700951. The next prime is 16700993. The reversal of 16700969 is 96900761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14707225 + 1993744 = 3835^2 + 1412^2 .

It is a cyclic number.

It is not a de Polignac number, because 16700969 - 2⁸ = 16700713 is a prime.

It is a super-2 number, since 2×16700969² = 557844731077922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16700669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8350484 + 8350485.

It is an arithmetic number, because the mean of its divisors is an integer number (8350485).

Almost surely, 2^16700969 is an apocalyptic number.

It is an amenable number.

16700969 is a deficient number, since it is larger than the sum of its proper divisors (1).

16700969 is an equidigital number, since it uses as much as digits as its factorization.

16700969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 16700969 is about 4086.6819058987. The cubic root of 16700969 is about 255.6115987220.

The spelling of 16700969 in words is "sixteen million, seven hundred thousand, nine hundred sixty-nine".