66933286 has 8 divisors (see below), whose sum is σ = 114742800. Its totient is φ = 28685688.

The previous prime is 66933281. The next prime is 66933299. The reversal of 66933286 is 68233966.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66933281) 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, 2390461 + ... + 2390488.

It is an arithmetic number, because the mean of its divisors is an integer number (14342850).

Almost surely, 2^66933286 is an apocalyptic number.

66933286 is a deficient number, since it is larger than the sum of its proper divisors (47809514).

66933286 is a wasteful number, since it uses less digits than its factorization.

66933286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4780958.

The product of its digits is 279936, while the sum is 43.

The square root of 66933286 is about 8181.2765507591. The cubic root of 66933286 is about 406.0199582511.

The spelling of 66933286 in words is "sixty-six million, nine hundred thirty-three thousand, two hundred eighty-six".