16039963 has 2 divisors, whose sum is σ = 16039964. Its totient is φ = 16039962.

The previous prime is 16039957. The next prime is 16040053. The reversal of 16039963 is 36993061.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16039963 - 2⁹ = 16039451 is a prime.

It is not a weakly prime, because it can be changed into another prime (16039913) 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, 8019981 + 8019982.

It is an arithmetic number, because the mean of its divisors is an integer number (8019982).

Almost surely, 2^16039963 is an apocalyptic number.

16039963 is a deficient number, since it is larger than the sum of its proper divisors (1).

16039963 is an equidigital number, since it uses as much as digits as its factorization.

16039963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26244, while the sum is 37.

The square root of 16039963 is about 4004.9922596679. The cubic root of 16039963 is about 252.1938281593.

The spelling of 16039963 in words is "sixteen million, thirty-nine thousand, nine hundred sixty-three".