668048858734 has 8 divisors (see below), whose sum is σ = 1003925550888. Its totient is φ = 333407008440.

The previous prime is 668048858681. The next prime is 668048858777. The reversal of 668048858734 is 437858840866.

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 668048858734.

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, 308709112 + ... + 308711275.

It is an arithmetic number, because the mean of its divisors is an integer number (125490693861).

Almost surely, 2^668048858734 is an apocalyptic number.

668048858734 is a deficient number, since it is larger than the sum of its proper divisors (335876692154).

668048858734 is a wasteful number, since it uses less digits than its factorization.

668048858734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617420930.

The product of its (nonzero) digits is 247726080, while the sum is 67.

The spelling of 668048858734 in words is "six hundred sixty-eight billion, forty-eight million, eight hundred fifty-eight thousand, seven hundred thirty-four".