16370891 has 2 divisors, whose sum is σ = 16370892. Its totient is φ = 16370890.

The previous prime is 16370873. The next prime is 16370903. The reversal of 16370891 is 19807361.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16370891 is a prime.

It is not a weakly prime, because it can be changed into another prime (16370491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8185445 + 8185446.

It is an arithmetic number, because the mean of its divisors is an integer number (8185446).

Almost surely, 2^16370891 is an apocalyptic number.

16370891 is a deficient number, since it is larger than the sum of its proper divisors (1).

16370891 is an equidigital number, since it uses as much as digits as its factorization.

16370891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 16370891 is about 4046.0957724700. The cubic root of 16370891 is about 253.9164118281.

The spelling of 16370891 in words is "sixteen million, three hundred seventy thousand, eight hundred ninety-one".