668852246 has 8 divisors (see below), whose sum is σ = 1004308200. Its totient is φ = 334082848.

The previous prime is 668852243. The next prime is 668852257. The reversal of 668852246 is 642258866.

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

It is a self number, because there is not a number n which added to its sum of digits gives 668852246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (668852243) 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, 169196 + ... + 173103.

It is an arithmetic number, because the mean of its divisors is an integer number (125538525).

Almost surely, 2^668852246 is an apocalyptic number.

668852246 is a deficient number, since it is larger than the sum of its proper divisors (335455954).

668852246 is a wasteful number, since it uses less digits than its factorization.

668852246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343278.

The product of its digits is 1105920, while the sum is 47.

The square root of 668852246 is about 25862.1779051958. The cubic root of 668852246 is about 874.5340631167.

The spelling of 668852246 in words is "six hundred sixty-eight million, eight hundred fifty-two thousand, two hundred forty-six".