9962566666 has 16 divisors (see below), whose sum is σ = 16940397600. Its totient is φ = 4356101808.

The previous prime is 9962566657. The next prime is 9962566673. The reversal of 9962566666 is 6666652699.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10083076 + ... + 10084063.

It is an arithmetic number, because the mean of its divisors is an integer number (1058774850).

Almost surely, 2^9962566666 is an apocalyptic number.

9962566666 is a deficient number, since it is larger than the sum of its proper divisors (6977830934).

9962566666 is a wasteful number, since it uses less digits than its factorization.

9962566666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20167173.

The product of its digits is 37791360, while the sum is 61.

The square root of 9962566666 is about 99812.6578445840. The cubic root of 9962566666 is about 2151.7430729150.

The spelling of 9962566666 in words is "nine billion, nine hundred sixty-two million, five hundred sixty-six thousand, six hundred sixty-six".