66486200 has 96 divisors (see below), whose sum is σ = 172488960. Its totient is φ = 23625600.

The previous prime is 66486197. The next prime is 66486223. The reversal of 66486200 is 268466.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103079 + ... + 103721.

It is an arithmetic number, because the mean of its divisors is an integer number (1796760).

Almost surely, 2^66486200 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 66486200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86244480).

66486200 is an abundant number, since it is smaller than the sum of its proper divisors (106002760).

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

66486200 is a wasteful number, since it uses less digits than its factorization.

66486200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717 (or 708 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 66486200 is about 8153.9070389599. The cubic root of 66486200 is about 405.1139241567.

The spelling of 66486200 in words is "sixty-six million, four hundred eighty-six thousand, two hundred".