667633196 has 12 divisors (see below), whose sum is σ = 1168937280. Its totient is φ = 333651120.

The previous prime is 667633193. The next prime is 667633199. The reversal of 667633196 is 691336766.

It is a happy number.

667633196 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (667633193) and next prime (667633199).

It is a self number, because there is not a number n which added to its sum of digits gives 667633196.

It is not an unprimeable number, because it can be changed into a prime (667633193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32060 + ... + 48611.

It is an arithmetic number, because the mean of its divisors is an integer number (97411440).

Almost surely, 2^667633196 is an apocalyptic number.

It is an amenable number.

667633196 is a deficient number, since it is larger than the sum of its proper divisors (501304084).

667633196 is a wasteful number, since it uses less digits than its factorization.

667633196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82744 (or 82742 counting only the distinct ones).

The product of its digits is 734832, while the sum is 47.

The square root of 667633196 is about 25838.5989558258. The cubic root of 667633196 is about 874.0024314524.

The spelling of 667633196 in words is "six hundred sixty-seven million, six hundred thirty-three thousand, one hundred ninety-six".