16536677 has 2 divisors, whose sum is σ = 16536678. Its totient is φ = 16536676.

The previous prime is 16536661. The next prime is 16536679. The reversal of 16536677 is 77663561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16434916 + 101761 = 4054^2 + 319^2 .

It is a cyclic number.

It is not a de Polignac number, because 16536677 - 2⁴ = 16536661 is a prime.

Together with 16536679, 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 (16536679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8268338 + 8268339.

It is an arithmetic number, because the mean of its divisors is an integer number (8268339).

Almost surely, 2^16536677 is an apocalyptic number.

It is an amenable number.

16536677 is a deficient number, since it is larger than the sum of its proper divisors (1).

16536677 is an equidigital number, since it uses as much as digits as its factorization.

16536677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 158760, while the sum is 41.

The square root of 16536677 is about 4066.5313228844. The cubic root of 16536677 is about 254.7706614173.

The spelling of 16536677 in words is "sixteen million, five hundred thirty-six thousand, six hundred seventy-seven".