668100700 has 36 divisors (see below), whose sum is σ = 1451009560. Its totient is φ = 267013440.

The previous prime is 668100689. The next prime is 668100707. The reversal of 668100700 is 7001866.

668100700 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (668100707) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 164899 + ... + 168901.

Almost surely, 2^668100700 is an apocalyptic number.

It is an amenable number.

668100700 is an abundant number, since it is smaller than the sum of its proper divisors (782908860).

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

668100700 is a wasteful number, since it uses less digits than its factorization.

668100700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5686 (or 5679 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 668100700 is about 25847.6439932153. The cubic root of 668100700 is about 874.2063879061.

The spelling of 668100700 in words is "six hundred sixty-eight million, one hundred thousand, seven hundred".