666200130 has 16 divisors (see below), whose sum is σ = 1598880384. Its totient is φ = 177653360.

The previous prime is 666200123. The next prime is 666200149. The reversal of 666200130 is 31002666.

It is a super-2 number, since 2×666200130² = 887645226424033800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 666200130.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11103306 + ... + 11103365.

It is an arithmetic number, because the mean of its divisors is an integer number (99930024).

Almost surely, 2^666200130 is an apocalyptic number.

666200130 is an abundant number, since it is smaller than the sum of its proper divisors (932680254).

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

666200130 is a wasteful number, since it uses less digits than its factorization.

666200130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22206681.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 666200130 is about 25810.8529498736. The cubic root of 666200130 is about 873.3766385237.

Adding to 666200130 its reverse (31002666), we get a palindrome (697202796).

The spelling of 666200130 in words is "six hundred sixty-six million, two hundred thousand, one hundred thirty".