16077791 has 2 divisors, whose sum is σ = 16077792. Its totient is φ = 16077790.

The previous prime is 16077779. The next prime is 16077793. The reversal of 16077791 is 19777061.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16077791 - 2⁶ = 16077727 is a prime.

Together with 16077793, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16077793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8038895 + 8038896.

It is an arithmetic number, because the mean of its divisors is an integer number (8038896).

Almost surely, 2^16077791 is an apocalyptic number.

16077791 is a deficient number, since it is larger than the sum of its proper divisors (1).

16077791 is an equidigital number, since it uses as much as digits as its factorization.

16077791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18522, while the sum is 38.

The square root of 16077791 is about 4009.7120844270. The cubic root of 16077791 is about 252.3919270861.

The spelling of 16077791 in words is "sixteen million, seventy-seven thousand, seven hundred ninety-one".