3166620672889 has 2 divisors, whose sum is σ = 3166620672890. Its totient is φ = 3166620672888.

The previous prime is 3166620672863. The next prime is 3166620672931. The reversal of 3166620672889 is 9882760266613.

3166620672889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2137248096489 + 1029372576400 = 1461933^2 + 1014580^2 .

It is a cyclic number.

It is not a de Polignac number, because 3166620672889 - 2¹⁵ = 3166620640121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3166620672889.

It is not a weakly prime, because it can be changed into another prime (3166621672889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1583310336444 + 1583310336445.

It is an arithmetic number, because the mean of its divisors is an integer number (1583310336445).

Almost surely, 2^{3166620672889} is an apocalyptic number.

It is an amenable number.

3166620672889 is a deficient number, since it is larger than the sum of its proper divisors (1).

3166620672889 is an equidigital number, since it uses as much as digits as its factorization.

3166620672889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62705664, while the sum is 64.

The spelling of 3166620672889 in words is "three trillion, one hundred sixty-six billion, six hundred twenty million, six hundred seventy-two thousand, eight hundred eighty-nine".