668886283350 has 288 divisors, whose sum is σ = 1935641111040. Its totient is φ = 171607040640.

The previous prime is 668886283301. The next prime is 668886283381. The reversal of 668886283350 is 53382688866.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 33682024 + ... + 33701876.

It is an arithmetic number, because the mean of its divisors is an integer number (6720976080).

Almost surely, 2^668886283350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 668886283350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (967820555520).

668886283350 is an abundant number, since it is smaller than the sum of its proper divisors (1266754827690).

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

668886283350 is a wasteful number, since it uses less digits than its factorization.

668886283350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19986 (or 19969 counting only the distinct ones).

The product of its (nonzero) digits is 79626240, while the sum is 63.

The spelling of 668886283350 in words is "six hundred sixty-eight billion, eight hundred eighty-six million, two hundred eighty-three thousand, three hundred fifty".