8326665166 has 4 divisors (see below), whose sum is σ = 12489997752. Its totient is φ = 4163332582.

The previous prime is 8326665163. The next prime is 8326665197. The reversal of 8326665166 is 6615666238.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8326665163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2081666290 + ... + 2081666293.

It is an arithmetic number, because the mean of its divisors is an integer number (3122499438).

Almost surely, 2^8326665166 is an apocalyptic number.

8326665166 is a deficient number, since it is larger than the sum of its proper divisors (4163332586).

8326665166 is a wasteful number, since it uses less digits than its factorization.

8326665166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4163332585.

The product of its digits is 1866240, while the sum is 49.

The square root of 8326665166 is about 91250.5625516906. The cubic root of 8326665166 is about 2026.8597590159.

The spelling of 8326665166 in words is "eight billion, three hundred twenty-six million, six hundred sixty-five thousand, one hundred sixty-six".