660001300 has 36 divisors (see below), whose sum is σ = 1636804960. Its totient is φ = 226285920.

The previous prime is 660001297. The next prime is 660001333. The reversal of 660001300 is 3100066.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 470730 + ... + 472129.

Almost surely, 2^660001300 is an apocalyptic number.

It is an amenable number.

660001300 is an abundant number, since it is smaller than the sum of its proper divisors (976803660).

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

660001300 is a wasteful number, since it uses less digits than its factorization.

660001300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942880 (or 942873 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 660001300 is about 25690.4904585335. The cubic root of 660001300 is about 870.6593407616.

Adding to 660001300 its reverse (3100066), we get a palindrome (663101366).

The spelling of 660001300 in words is "six hundred sixty million, one thousand, three hundred".