66227016 has 16 divisors (see below), whose sum is σ = 165567600. Its totient is φ = 22075664.

The previous prime is 66227011. The next prime is 66227017. The reversal of 66227016 is 61072266.

66227016 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (66227011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1379706 + ... + 1379753.

It is an arithmetic number, because the mean of its divisors is an integer number (10347975).

Almost surely, 2^66227016 is an apocalyptic number.

It is an amenable number.

66227016 is an abundant number, since it is smaller than the sum of its proper divisors (99340584).

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

66227016 is a wasteful number, since it uses less digits than its factorization.

66227016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2759468 (or 2759464 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 66227016 is about 8137.9982796754. The cubic root of 66227016 is about 404.5868183648.

The spelling of 66227016 in words is "sixty-six million, two hundred twenty-seven thousand, sixteen".