16091371 has 2 divisors, whose sum is σ = 16091372. Its totient is φ = 16091370.

The previous prime is 16091363. The next prime is 16091377. The reversal of 16091371 is 17319061.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16091371 - 2³ = 16091363 is a prime.

It is not a weakly prime, because it can be changed into another prime (16091377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8045685 + 8045686.

It is an arithmetic number, because the mean of its divisors is an integer number (8045686).

Almost surely, 2^16091371 is an apocalyptic number.

16091371 is a deficient number, since it is larger than the sum of its proper divisors (1).

16091371 is an equidigital number, since it uses as much as digits as its factorization.

16091371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 16091371 is about 4011.4051154178. The cubic root of 16091371 is about 252.4629674801.

The spelling of 16091371 in words is "sixteen million, ninety-one thousand, three hundred seventy-one".