667005200 has 120 divisors (see below), whose sum is σ = 1733674752. Its totient is φ = 245647360.

The previous prime is 667005193. The next prime is 667005239. The reversal of 667005200 is 2500766.

It is a self number, because there is not a number n which added to its sum of digits gives 667005200.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 318557 + ... + 320643.

Almost surely, 2^667005200 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 667005200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (866837376).

667005200 is an abundant number, since it is smaller than the sum of its proper divisors (1066669552).

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

667005200 is a wasteful number, since it uses less digits than its factorization.

667005200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2169 (or 2158 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 667005200 is about 25826.4438124957. The cubic root of 667005200 is about 873.7283077676.

Adding to 667005200 its reverse (2500766), we get a palindrome (669505966).

The spelling of 667005200 in words is "six hundred sixty-seven million, five thousand, two hundred".