68018966 has 8 divisors (see below), whose sum is σ = 102253080. Its totient is φ = 33934608.

The previous prime is 68018963. The next prime is 68018983. The reversal of 68018966 is 66981086.

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 (68018963) 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, 36296 + ... + 38123.

It is an arithmetic number, because the mean of its divisors is an integer number (12781635).

Almost surely, 2^68018966 is an apocalyptic number.

68018966 is a deficient number, since it is larger than the sum of its proper divisors (34234114).

68018966 is a wasteful number, since it uses less digits than its factorization.

68018966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74878.

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 68018966 is about 8247.3611537267. The cubic root of 68018966 is about 408.2034540519.

The spelling of 68018966 in words is "sixty-eight million, eighteen thousand, nine hundred sixty-six".