16809674152927 has 2 divisors, whose sum is σ = 16809674152928. Its totient is φ = 16809674152926.

The previous prime is 16809674152877. The next prime is 16809674152987. The reversal of 16809674152927 is 72925147690861.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16809674152927 - 2³¹ = 16807526669279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16809674152987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8404837076463 + 8404837076464.

It is an arithmetic number, because the mean of its divisors is an integer number (8404837076464).

Almost surely, 2^{16809674152927} is an apocalyptic number.

16809674152927 is a deficient number, since it is larger than the sum of its proper divisors (1).

16809674152927 is an equidigital number, since it uses as much as digits as its factorization.

16809674152927 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 91445760, while the sum is 67.

The spelling of 16809674152927 in words is "sixteen trillion, eight hundred nine billion, six hundred seventy-four million, one hundred fifty-two thousand, nine hundred twenty-seven".