63668206 has 8 divisors (see below), whose sum is σ = 109145520. Its totient is φ = 27286368.

The previous prime is 63668167. The next prime is 63668207. The reversal of 63668206 is 60286636.

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 (63668207) 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, 2273851 + ... + 2273878.

It is an arithmetic number, because the mean of its divisors is an integer number (13643190).

Almost surely, 2^63668206 is an apocalyptic number.

63668206 is a deficient number, since it is larger than the sum of its proper divisors (45477314).

63668206 is a wasteful number, since it uses less digits than its factorization.

63668206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4547738.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 63668206 is about 7979.2359283330. The cubic root of 63668206 is about 399.3075645244.

The spelling of 63668206 in words is "sixty-three million, six hundred sixty-eight thousand, two hundred six".