16446953 has 2 divisors, whose sum is σ = 16446954. Its totient is φ = 16446952.

The previous prime is 16446949. The next prime is 16446961. The reversal of 16446953 is 35964461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12652249 + 3794704 = 3557^2 + 1948^2 .

It is a cyclic number.

It is not a de Polignac number, because 16446953 - 2² = 16446949 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (16446923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8223476 + 8223477.

It is an arithmetic number, because the mean of its divisors is an integer number (8223477).

Almost surely, 2^16446953 is an apocalyptic number.

It is an amenable number.

16446953 is a deficient number, since it is larger than the sum of its proper divisors (1).

16446953 is an equidigital number, since it uses as much as digits as its factorization.

16446953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 38.

The square root of 16446953 is about 4055.4843113986. The cubic root of 16446953 is about 254.3090509330.

The spelling of 16446953 in words is "sixteen million, four hundred forty-six thousand, nine hundred fifty-three".