8661522966 has 16 divisors (see below), whose sum is σ = 17616657600. Its totient is φ = 2838239048.

The previous prime is 8661522931. The next prime is 8661522973. The reversal of 8661522966 is 6692251668.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12233436 + ... + 12234143.

It is an arithmetic number, because the mean of its divisors is an integer number (1101041100).

Almost surely, 2^8661522966 is an apocalyptic number.

8661522966 is an abundant number, since it is smaller than the sum of its proper divisors (8955134634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8661522966 is a wasteful number, since it uses less digits than its factorization.

8661522966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24467643.

The product of its digits is 1866240, while the sum is 51.

The square root of 8661522966 is about 93067.3034206966. The cubic root of 8661522966 is about 2053.6736006403.

The spelling of 8661522966 in words is "eight billion, six hundred sixty-one million, five hundred twenty-two thousand, nine hundred sixty-six".