16200491 has 2 divisors, whose sum is σ = 16200492. Its totient is φ = 16200490.

The previous prime is 16200479. The next prime is 16200497. The reversal of 16200491 is 19400261.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16200491 - 2⁶ = 16200427 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16200497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8100245 + 8100246.

It is an arithmetic number, because the mean of its divisors is an integer number (8100246).

Almost surely, 2^16200491 is an apocalyptic number.

16200491 is a deficient number, since it is larger than the sum of its proper divisors (1).

16200491 is an equidigital number, since it uses as much as digits as its factorization.

16200491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 16200491 is about 4024.9833540028. The cubic root of 16200491 is about 253.0323558946.

The spelling of 16200491 in words is "sixteen million, two hundred thousand, four hundred ninety-one".