10166156677 has 2 divisors, whose sum is σ = 10166156678. Its totient is φ = 10166156676.

The previous prime is 10166156659. The next prime is 10166156789. The reversal of 10166156677 is 77665166101.

10166156677 is digitally balanced in base 3, 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., 7294697281 + 2871459396 = 85409^2 + 53586^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10166156677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10166156177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5083078338 + 5083078339.

It is an arithmetic number, because the mean of its divisors is an integer number (5083078339).

Almost surely, 2^10166156677 is an apocalyptic number.

It is an amenable number.

10166156677 is a deficient number, since it is larger than the sum of its proper divisors (1).

10166156677 is an equidigital number, since it uses as much as digits as its factorization.

10166156677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 317520, while the sum is 46.

The spelling of 10166156677 in words is "ten billion, one hundred sixty-six million, one hundred fifty-six thousand, six hundred seventy-seven".