66346244 has 12 divisors (see below), whose sum is σ = 116262300. Its totient is φ = 33128448.

The previous prime is 66346219. The next prime is 66346249. The reversal of 66346244 is 44264366.

66346244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11022400 + 55323844 = 3320^2 + 7438^2 .

It is not an unprimeable number, because it can be changed into a prime (66346249) 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, 7709 + ... + 13860.

It is an arithmetic number, because the mean of its divisors is an integer number (9688525).

Almost surely, 2^66346244 is an apocalyptic number.

It is an amenable number.

66346244 is a deficient number, since it is larger than the sum of its proper divisors (49916056).

66346244 is a wasteful number, since it uses less digits than its factorization.

66346244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22342 (or 22340 counting only the distinct ones).

The product of its digits is 82944, while the sum is 35.

The square root of 66346244 is about 8145.3203743008. The cubic root of 66346244 is about 404.8294643496.

The spelling of 66346244 in words is "sixty-six million, three hundred forty-six thousand, two hundred forty-four".