16646099 has 2 divisors, whose sum is σ = 16646100. Its totient is φ = 16646098.

The previous prime is 16646053. The next prime is 16646167. The reversal of 16646099 is 99064661.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16646099 is a prime.

It is a super-2 number, since 2×16646099² = 554185223835602, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16646699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8323049 + 8323050.

It is an arithmetic number, because the mean of its divisors is an integer number (8323050).

Almost surely, 2^16646099 is an apocalyptic number.

16646099 is a deficient number, since it is larger than the sum of its proper divisors (1).

16646099 is an equidigital number, since it uses as much as digits as its factorization.

16646099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 16646099 is about 4079.9631125783. The cubic root of 16646099 is about 255.3313595656.

The spelling of 16646099 in words is "sixteen million, six hundred forty-six thousand, ninety-nine".