666796 has 12 divisors (see below), whose sum is σ = 1256752. Its totient is φ = 307728.

The previous prime is 666773. The next prime is 666811. The reversal of 666796 is 697666.

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, 6360 + ... + 6463.

2⁶⁶⁶⁷⁹⁶ is an apocalyptic number.

It is an amenable number.

666796 is a deficient number, since it is larger than the sum of its proper divisors (589956).

666796 is a wasteful number, since it uses less digits than its factorization.

666796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12840 (or 12838 counting only the distinct ones).

The product of its digits is 81648, while the sum is 40.

The square root of 666796 is about 816.5757772552. The cubic root of 666796 is about 87.3636952620.

The spelling of 666796 in words is "six hundred sixty-six thousand, seven hundred ninety-six".