16396951 has 2 divisors, whose sum is σ = 16396952. Its totient is φ = 16396950.

The previous prime is 16396931. The next prime is 16396969. The reversal of 16396951 is 15969361.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16396951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16396931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8198475 + 8198476.

It is an arithmetic number, because the mean of its divisors is an integer number (8198476).

Almost surely, 2^16396951 is an apocalyptic number.

16396951 is a deficient number, since it is larger than the sum of its proper divisors (1).

16396951 is an equidigital number, since it uses as much as digits as its factorization.

16396951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43740, while the sum is 40.

The square root of 16396951 is about 4049.3148803223. The cubic root of 16396951 is about 254.0510726655.

The spelling of 16396951 in words is "sixteen million, three hundred ninety-six thousand, nine hundred fifty-one".