200146660 has 24 divisors (see below), whose sum is σ = 480352320. Its totient is φ = 68621664.

The previous prime is 200146651. The next prime is 200146679. The reversal of 200146660 is 66641002.

It is a happy number.

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, 714670 + ... + 714949.

It is an arithmetic number, because the mean of its divisors is an integer number (20014680).

Almost surely, 2^200146660 is an apocalyptic number.

200146660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200146660 is an abundant number, since it is smaller than the sum of its proper divisors (280205660).

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

200146660 is a wasteful number, since it uses less digits than its factorization.

200146660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429635 (or 1429633 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 200146660 is about 14147.3198875264. The cubic root of 200146660 is about 584.9464581967.

Adding to 200146660 its reverse (66641002), we get a palindrome (266787662).

The spelling of 200146660 in words is "two hundred million, one hundred forty-six thousand, six hundred sixty".