16326961 has 16 divisors (see below), whose sum is σ = 19180800. Its totient is φ = 13609728.

The previous prime is 16326949. The next prime is 16326967. The reversal of 16326961 is 16962361.

It is a cyclic number.

It is not a de Polignac number, because 16326961 - 2⁵ = 16326929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16326967) 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 in 15 ways as a sum of consecutive naturals, for example, 45300 + ... + 45658.

It is an arithmetic number, because the mean of its divisors is an integer number (1198800).

Almost surely, 2^16326961 is an apocalyptic number.

It is an amenable number.

16326961 is a deficient number, since it is larger than the sum of its proper divisors (2853839).

16326961 is an equidigital number, since it uses as much as digits as its factorization.

16326961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528.

The product of its digits is 11664, while the sum is 34.

The square root of 16326961 is about 4040.6634356254. The cubic root of 16326961 is about 253.6890867887.

The spelling of 16326961 in words is "sixteen million, three hundred twenty-six thousand, nine hundred sixty-one".