16009963 has 2 divisors, whose sum is σ = 16009964. Its totient is φ = 16009962.

The previous prime is 16009927. The next prime is 16010009. The reversal of 16009963 is 36990061.

It is a weak prime.

It is an emirp because it is prime and its reverse (36990061) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16009963 is a prime.

It is a super-2 number, since 2×16009963² = 512637830522738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16009163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8004981 + 8004982.

It is an arithmetic number, because the mean of its divisors is an integer number (8004982).

Almost surely, 2^16009963 is an apocalyptic number.

16009963 is a deficient number, since it is larger than the sum of its proper divisors (1).

16009963 is an equidigital number, since it uses as much as digits as its factorization.

16009963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 34.

The square root of 16009963 is about 4001.2451811905. The cubic root of 16009963 is about 252.0365015993.

The spelling of 16009963 in words is "sixteen million, nine thousand, nine hundred sixty-three".