668150000 has 240 divisors, whose sum is σ = 1952875008. Its totient is φ = 216480000.

The previous prime is 668149969. The next prime is 668150003. The reversal of 668150000 is 51866.

668150000 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 (668150003) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8049959 + ... + 8050041.

Almost surely, 2^668150000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 668150000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (976437504).

668150000 is an abundant number, since it is smaller than the sum of its proper divisors (1284725008).

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

668150000 is an equidigital number, since it uses as much as digits as its factorization.

668150000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 668150000 is about 25848.5976408779. The cubic root of 668150000 is about 874.2278903108.

The spelling of 668150000 in words is "six hundred sixty-eight million, one hundred fifty thousand".