16946953 has 2 divisors, whose sum is σ = 16946954. Its totient is φ = 16946952.

The previous prime is 16946927. The next prime is 16946971. The reversal of 16946953 is 35964961.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16875664 + 71289 = 4108^2 + 267^2 .

It is an emirp because it is prime and its reverse (35964961) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16946953 - 2⁵ = 16946921 is a prime.

It is not a weakly prime, because it can be changed into another prime (16946903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8473476 + 8473477.

It is an arithmetic number, because the mean of its divisors is an integer number (8473477).

Almost surely, 2^16946953 is an apocalyptic number.

It is an amenable number.

16946953 is a deficient number, since it is larger than the sum of its proper divisors (1).

16946953 is an equidigital number, since it uses as much as digits as its factorization.

16946953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 174960, while the sum is 43.

The square root of 16946953 is about 4116.6677058028. The cubic root of 16946953 is about 256.8604318218.

The spelling of 16946953 in words is "sixteen million, nine hundred forty-six thousand, nine hundred fifty-three".