668112814 has 8 divisors (see below), whose sum is σ = 1019155320. Its totient is φ = 328394376.

The previous prime is 668112787. The next prime is 668112847. The reversal of 668112814 is 418211866.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2830869 + ... + 2831104.

It is an arithmetic number, because the mean of its divisors is an integer number (127394415).

Almost surely, 2^668112814 is an apocalyptic number.

668112814 is a deficient number, since it is larger than the sum of its proper divisors (351042506).

668112814 is a wasteful number, since it uses less digits than its factorization.

668112814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5662034.

The product of its digits is 18432, while the sum is 37.

The square root of 668112814 is about 25847.8783268569. The cubic root of 668112814 is about 874.2116715768.

The spelling of 668112814 in words is "six hundred sixty-eight million, one hundred twelve thousand, eight hundred fourteen".