16131677 has 2 divisors, whose sum is σ = 16131678. Its totient is φ = 16131676.

The previous prime is 16131653. The next prime is 16131679. The reversal of 16131677 is 77613161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14546596 + 1585081 = 3814^2 + 1259^2 .

It is a cyclic number.

It is not a de Polignac number, because 16131677 - 2⁸ = 16131421 is a prime.

Together with 16131679, 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 (16131679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8065838 + 8065839.

It is an arithmetic number, because the mean of its divisors is an integer number (8065839).

Almost surely, 2^16131677 is an apocalyptic number.

It is an amenable number.

16131677 is a deficient number, since it is larger than the sum of its proper divisors (1).

16131677 is an equidigital number, since it uses as much as digits as its factorization.

16131677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5292, while the sum is 32.

The square root of 16131677 is about 4016.4258987314. The cubic root of 16131677 is about 252.6735832196.

The spelling of 16131677 in words is "sixteen million, one hundred thirty-one thousand, six hundred seventy-seven".