16136564573677 has 2 divisors, whose sum is σ = 16136564573678. Its totient is φ = 16136564573676.

The previous prime is 16136564573579. The next prime is 16136564573711. The reversal of 16136564573677 is 77637546563161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13598880527556 + 2537684046121 = 3687666^2 + 1593011^2 .

It is a cyclic number.

It is not a de Polignac number, because 16136564573677 - 2³⁵ = 16102204835309 is a prime.

It is a super-2 number, since 2×16136564573677² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16136564973677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8068282286838 + 8068282286839.

It is an arithmetic number, because the mean of its divisors is an integer number (8068282286839).

Almost surely, 2^{16136564573677} is an apocalyptic number.

It is an amenable number.

16136564573677 is a deficient number, since it is larger than the sum of its proper divisors (1).

16136564573677 is an equidigital number, since it uses as much as digits as its factorization.

16136564573677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 400075200, while the sum is 67.

The spelling of 16136564573677 in words is "sixteen trillion, one hundred thirty-six billion, five hundred sixty-four million, five hundred seventy-three thousand, six hundred seventy-seven".