66051286 has 16 divisors (see below), whose sum is σ = 113356800. Its totient is φ = 28276200.

The previous prime is 66051263. The next prime is 66051289. The reversal of 66051286 is 68215066.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66051289) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 14065 + ... + 18163.

It is an arithmetic number, because the mean of its divisors is an integer number (7084800).

Almost surely, 2^66051286 is an apocalyptic number.

66051286 is a deficient number, since it is larger than the sum of its proper divisors (47305514).

66051286 is a wasteful number, since it uses less digits than its factorization.

66051286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5259.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 66051286 is about 8127.1942267919. The cubic root of 66051286 is about 404.2286512413.

The spelling of 66051286 in words is "sixty-six million, fifty-one thousand, two hundred eighty-six".