16313963 has 2 divisors, whose sum is σ = 16313964. Its totient is φ = 16313962.

The previous prime is 16313953. The next prime is 16313971. The reversal of 16313963 is 36931361.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16313963 - 2²² = 12119659 is a prime.

It is a super-2 number, since 2×16313963² = 532290777530738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16313903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8156981 + 8156982.

It is an arithmetic number, because the mean of its divisors is an integer number (8156982).

Almost surely, 2^16313963 is an apocalyptic number.

16313963 is a deficient number, since it is larger than the sum of its proper divisors (1).

16313963 is an equidigital number, since it uses as much as digits as its factorization.

16313963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8748, while the sum is 32.

The square root of 16313963 is about 4039.0547161434. The cubic root of 16313963 is about 253.6217477377.

The spelling of 16313963 in words is "sixteen million, three hundred thirteen thousand, nine hundred sixty-three".