16320149 has 2 divisors, whose sum is σ = 16320150. Its totient is φ = 16320148.

The previous prime is 16320137. The next prime is 16320181. The reversal of 16320149 is 94102361.

16320149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10608049 + 5712100 = 3257^2 + 2390^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16320149 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16320949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8160074 + 8160075.

It is an arithmetic number, because the mean of its divisors is an integer number (8160075).

Almost surely, 2^16320149 is an apocalyptic number.

It is an amenable number.

16320149 is a deficient number, since it is larger than the sum of its proper divisors (1).

16320149 is an equidigital number, since it uses as much as digits as its factorization.

16320149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 16320149 is about 4039.8204168007. The cubic root of 16320149 is about 253.6538001555.

The spelling of 16320149 in words is "sixteen million, three hundred twenty thousand, one hundred forty-nine".