16375973 has 2 divisors, whose sum is σ = 16375974. Its totient is φ = 16375972.

The previous prime is 16375943. The next prime is 16375979. The reversal of 16375973 is 37957361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15194404 + 1181569 = 3898^2 + 1087^2 .

It is a cyclic number.

It is not a de Polignac number, because 16375973 - 2¹⁸ = 16113829 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16375973.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16375979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8187986 + 8187987.

It is an arithmetic number, because the mean of its divisors is an integer number (8187987).

Almost surely, 2^16375973 is an apocalyptic number.

It is an amenable number.

16375973 is a deficient number, since it is larger than the sum of its proper divisors (1).

16375973 is an equidigital number, since it uses as much as digits as its factorization.

16375973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 119070, while the sum is 41.

The square root of 16375973 is about 4046.7237365553. The cubic root of 16375973 is about 253.9426834526.

The spelling of 16375973 in words is "sixteen million, three hundred seventy-five thousand, nine hundred seventy-three".