66200586 has 8 divisors (see below), whose sum is σ = 132401184. Its totient is φ = 22066860.

The previous prime is 66200573. The next prime is 66200587. The reversal of 66200586 is 68500266.

It is a sphenic number, since it is the product of 3 distinct primes.

66200586 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (66200587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5516710 + ... + 5516721.

It is an arithmetic number, because the mean of its divisors is an integer number (16550148).

Almost surely, 2^66200586 is an apocalyptic number.

66200586 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

66200586 is a wasteful number, since it uses less digits than its factorization.

66200586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11033436.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 66200586 is about 8136.3742539291. The cubic root of 66200586 is about 404.5329901184.

The spelling of 66200586 in words is "sixty-six million, two hundred thousand, five hundred eighty-six".