66364226 has 24 divisors (see below), whose sum is σ = 111330480. Its totient is φ = 29581632.

The previous prime is 66364219. The next prime is 66364229. The reversal of 66364226 is 62246366.

66364226 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 (66364229) 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 11 ways as a sum of consecutive naturals, for example, 7961 + ... + 14003.

It is an arithmetic number, because the mean of its divisors is an integer number (4638770).

Almost surely, 2^66364226 is an apocalyptic number.

66364226 is a deficient number, since it is larger than the sum of its proper divisors (44966254).

66364226 is a wasteful number, since it uses less digits than its factorization.

66364226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6098 (or 6081 counting only the distinct ones).

The product of its digits is 62208, while the sum is 35.

The square root of 66364226 is about 8146.4241235035. The cubic root of 66364226 is about 404.8660350501.

The spelling of 66364226 in words is "sixty-six million, three hundred sixty-four thousand, two hundred twenty-six".