66560200 has 48 divisors (see below), whose sum is σ = 176863680. Its totient is φ = 22820160.

The previous prime is 66560167. The next prime is 66560203. The reversal of 66560200 is 206566.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (66560203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22372 + ... + 25171.

It is an arithmetic number, because the mean of its divisors is an integer number (3684660).

Almost surely, 2^66560200 is an apocalyptic number.

It is an amenable number.

66560200 is an abundant number, since it is smaller than the sum of its proper divisors (110303480).

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

66560200 is a wasteful number, since it uses less digits than its factorization.

66560200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47566 (or 47557 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 66560200 is about 8158.4434789977. The cubic root of 66560200 is about 405.2641674409.

Adding to 66560200 its reverse (206566), we get a palindrome (66766766).

The spelling of 66560200 in words is "sixty-six million, five hundred sixty thousand, two hundred".