718322752668 has 48 divisors (see below), whose sum is σ = 1754772727680. Its totient is φ = 228398971584.

The previous prime is 718322752603. The next prime is 718322752703. The reversal of 718322752668 is 866257223817.

It is a super-2 number, since 2×718322752668² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12405730 + ... + 12463497.

It is an arithmetic number, because the mean of its divisors is an integer number (36557765160).

Almost surely, 2^718322752668 is an apocalyptic number.

It is an amenable number.

718322752668 is an abundant number, since it is smaller than the sum of its proper divisors (1036449975012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

718322752668 is a wasteful number, since it uses less digits than its factorization.

718322752668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24869346 (or 24869344 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 57.

The spelling of 718322752668 in words is "seven hundred eighteen billion, three hundred twenty-two million, seven hundred fifty-two thousand, six hundred sixty-eight".