16396963 has 4 divisors (see below), whose sum is σ = 17887608. Its totient is φ = 14906320.

The previous prime is 16396951. The next prime is 16396969. The reversal of 16396963 is 36969361.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 16396963 - 2⁵ = 16396931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16396969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 745306 + ... + 745327.

It is an arithmetic number, because the mean of its divisors is an integer number (4471902).

Almost surely, 2^16396963 is an apocalyptic number.

16396963 is a deficient number, since it is larger than the sum of its proper divisors (1490645).

16396963 is a wasteful number, since it uses less digits than its factorization.

16396963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1490644.

The product of its digits is 157464, while the sum is 43.

The square root of 16396963 is about 4049.3163620542. The cubic root of 16396963 is about 254.0511346406.

The spelling of 16396963 in words is "sixteen million, three hundred ninety-six thousand, nine hundred sixty-three".