966643982 has 8 divisors (see below), whose sum is σ = 1450345176. Its totient is φ = 483195592.

The previous prime is 966643973. The next prime is 966644017. The reversal of 966643982 is 289346669.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53333 + ... + 69120.

It is an arithmetic number, because the mean of its divisors is an integer number (181293147).

Almost surely, 2^966643982 is an apocalyptic number.

966643982 is a deficient number, since it is larger than the sum of its proper divisors (483701194).

966643982 is a wasteful number, since it uses less digits than its factorization.

966643982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126402.

The product of its digits is 3359232, while the sum is 53.

The square root of 966643982 is about 31090.8987004236. The cubic root of 966643982 is about 988.7553593207.

The spelling of 966643982 in words is "nine hundred sixty-six million, six hundred forty-three thousand, nine hundred eighty-two".