961682666 has 16 divisors (see below), whose sum is σ = 1651001280. Its totient is φ = 411549120.

The previous prime is 961682627. The next prime is 961682669. The reversal of 961682666 is 666286169.

961682666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (961682669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40031 + ... + 59378.

It is an arithmetic number, because the mean of its divisors is an integer number (103187580).

Almost surely, 2^961682666 is an apocalyptic number.

961682666 is a deficient number, since it is larger than the sum of its proper divisors (689318614).

961682666 is a wasteful number, since it uses less digits than its factorization.

961682666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100109.

The product of its digits is 1119744, while the sum is 50.

The square root of 961682666 is about 31011.0087872033. The cubic root of 961682666 is about 987.0608559822.

The spelling of 961682666 in words is "nine hundred sixty-one million, six hundred eighty-two thousand, six hundred sixty-six".