66050244 has 72 divisors (see below), whose sum is σ = 181621440. Its totient is φ = 20117952.

The previous prime is 66050209. The next prime is 66050249. The reversal of 66050244 is 44205066.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (66050249) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49417 + ... + 50735.

It is an arithmetic number, because the mean of its divisors is an integer number (2522520).

Almost surely, 2^66050244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66050244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90810720).

66050244 is an abundant number, since it is smaller than the sum of its proper divisors (115571196).

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

66050244 is a wasteful number, since it uses less digits than its factorization.

66050244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1449 (or 1444 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 66050244 is about 8127.1301207745. The cubic root of 66050244 is about 404.2265255776.

Adding to 66050244 its sum of digits (27), we get a triangular number (66050271 = T₁₁₄₉₃).

The spelling of 66050244 in words is "sixty-six million, fifty thousand, two hundred forty-four".