16392091 has 2 divisors, whose sum is σ = 16392092. Its totient is φ = 16392090.

The previous prime is 16392043. The next prime is 16392137. The reversal of 16392091 is 19029361.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16392091 - 2¹¹ = 16390043 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16392011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8196045 + 8196046.

It is an arithmetic number, because the mean of its divisors is an integer number (8196046).

Almost surely, 2^16392091 is an apocalyptic number.

16392091 is a deficient number, since it is larger than the sum of its proper divisors (1).

16392091 is an equidigital number, since it uses as much as digits as its factorization.

16392091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 16392091 is about 4048.7147343324. The cubic root of 16392091 is about 254.0259702299.

The spelling of 16392091 in words is "sixteen million, three hundred ninety-two thousand, ninety-one".