8522132666 has 4 divisors (see below), whose sum is σ = 12783199002. Its totient is φ = 4261066332.

The previous prime is 8522132659. The next prime is 8522132677. The reversal of 8522132666 is 6662312258.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 8522059225 + 73441 = 92315^2 + 271^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2130533165 + ... + 2130533168.

Almost surely, 2^8522132666 is an apocalyptic number.

8522132666 is a deficient number, since it is larger than the sum of its proper divisors (4261066336).

8522132666 is a wasteful number, since it uses less digits than its factorization.

8522132666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4261066335.

The product of its digits is 207360, while the sum is 41.

The square root of 8522132666 is about 92315.3977730693. The cubic root of 8522132666 is about 2042.5973473066.

The spelling of 8522132666 in words is "eight billion, five hundred twenty-two million, one hundred thirty-two thousand, six hundred sixty-six".