668083848134 has 8 divisors (see below), whose sum is σ = 1002129794208. Its totient is φ = 334040583400.

The previous prime is 668083848121. The next prime is 668083848137. The reversal of 668083848134 is 431848380866.

It is a happy number.

668083848134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (668083848137) 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, 156584 + ... + 1166484.

It is an arithmetic number, because the mean of its divisors is an integer number (125266224276).

Almost surely, 2^668083848134 is an apocalyptic number.

668083848134 is a deficient number, since it is larger than the sum of its proper divisors (334045946074).

668083848134 is a wasteful number, since it uses less digits than its factorization.

668083848134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340670.

The product of its (nonzero) digits is 21233664, while the sum is 59.

The spelling of 668083848134 in words is "six hundred sixty-eight billion, eighty-three million, eight hundred forty-eight thousand, one hundred thirty-four".