32168685677 has 2 divisors, whose sum is σ = 32168685678. Its totient is φ = 32168685676.

The previous prime is 32168685607. The next prime is 32168685721. The reversal of 32168685677 is 77658686123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19560539881 + 12608145796 = 139859^2 + 112286^2 .

It is a cyclic number.

It is not a de Polignac number, because 32168685677 - 2¹⁴ = 32168669293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32168685607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16084342838 + 16084342839.

It is an arithmetic number, because the mean of its divisors is an integer number (16084342839).

Almost surely, 2^32168685677 is an apocalyptic number.

It is an amenable number.

32168685677 is a deficient number, since it is larger than the sum of its proper divisors (1).

32168685677 is an equidigital number, since it uses as much as digits as its factorization.

32168685677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20321280, while the sum is 59.

The spelling of 32168685677 in words is "thirty-two billion, one hundred sixty-eight million, six hundred eighty-five thousand, six hundred seventy-seven".