8376666161 has 4 divisors (see below), whose sum is σ = 8376974400. Its totient is φ = 8376357924.

The previous prime is 8376666149. The next prime is 8376666197. The reversal of 8376666161 is 1616666738.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8376666161 is a prime.

It is a super-3 number, since 3×8376666161³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8376666101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108941 + ... + 169178.

It is an arithmetic number, because the mean of its divisors is an integer number (2094243600).

Almost surely, 2^8376666161 is an apocalyptic number.

It is an amenable number.

8376666161 is a deficient number, since it is larger than the sum of its proper divisors (308239).

8376666161 is a wasteful number, since it uses less digits than its factorization.

8376666161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308238.

The product of its digits is 1306368, while the sum is 50.

The square root of 8376666161 is about 91524.1288458951. The cubic root of 8376666161 is about 2030.9087118015.

The spelling of 8376666161 in words is "eight billion, three hundred seventy-six million, six hundred sixty-six thousand, one hundred sixty-one".