668410200 has 72 divisors (see below), whose sum is σ = 2244750300. Its totient is φ = 178242240.

The previous prime is 668410163. The next prime is 668410201. The reversal of 668410200 is 2014866.

668410200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (668410201) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 183870 + ... + 187469.

Almost surely, 2^668410200 is an apocalyptic number.

668410200 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

668410200 is an abundant number, since it is smaller than the sum of its proper divisors (1576340100).

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

668410200 is a wasteful number, since it uses less digits than its factorization.

668410200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371361 (or 371349 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 668410200 is about 25853.6303060131. The cubic root of 668410200 is about 874.3413601279.

The spelling of 668410200 in words is "six hundred sixty-eight million, four hundred ten thousand, two hundred".