16320937 has 2 divisors, whose sum is σ = 16320938. Its totient is φ = 16320936.

The previous prime is 16320919. The next prime is 16320949. The reversal of 16320937 is 73902361.

16320937 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9461776 + 6859161 = 3076^2 + 2619^2 .

It is a cyclic number.

It is not a de Polignac number, because 16320937 - 2⁷ = 16320809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16320899 and 16320908.

It is not a weakly prime, because it can be changed into another prime (16320037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8160468 + 8160469.

It is an arithmetic number, because the mean of its divisors is an integer number (8160469).

Almost surely, 2^16320937 is an apocalyptic number.

It is an amenable number.

16320937 is a deficient number, since it is larger than the sum of its proper divisors (1).

16320937 is an equidigital number, since it uses as much as digits as its factorization.

16320937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 16320937 is about 4039.9179447113. The cubic root of 16320937 is about 253.6578825524.

The spelling of 16320937 in words is "sixteen million, three hundred twenty thousand, nine hundred thirty-seven".