16466057 has 2 divisors, whose sum is σ = 16466058. Its totient is φ = 16466056.

The previous prime is 16466039. The next prime is 16466063. The reversal of 16466057 is 75066461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15832441 + 633616 = 3979^2 + 796^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16466057 is a prime.

It is a super-2 number, since 2×16466057² = 542262066254498, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16466077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8233028 + 8233029.

It is an arithmetic number, because the mean of its divisors is an integer number (8233029).

Almost surely, 2^16466057 is an apocalyptic number.

It is an amenable number.

16466057 is a deficient number, since it is larger than the sum of its proper divisors (1).

16466057 is an equidigital number, since it uses as much as digits as its factorization.

16466057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 16466057 is about 4057.8389568833. The cubic root of 16466057 is about 254.4074772749.

The spelling of 16466057 in words is "sixteen million, four hundred sixty-six thousand, fifty-seven".