5133241666 has 72 divisors (see below), whose sum is σ = 9502924860. Its totient is φ = 2073242304.

The previous prime is 5133241661. The next prime is 5133241669. The reversal of 5133241666 is 6661423315.

It can be written as a sum of positive squares in 2 ways, for example, as 5063034025 + 70207641 = 71155^2 + 8379^2 .

It is not an unprimeable number, because it can be changed into a prime (5133241661) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 13195800 + ... + 13196188.

Almost surely, 2^5133241666 is an apocalyptic number.

5133241666 is a deficient number, since it is larger than the sum of its proper divisors (4369683194).

5133241666 is a wasteful number, since it uses less digits than its factorization.

5133241666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816 (or 790 counting only the distinct ones).

The product of its digits is 77760, while the sum is 37.

The square root of 5133241666 is about 71646.6444852793. The cubic root of 5133241666 is about 1725.0323221277.

The spelling of 5133241666 in words is "five billion, one hundred thirty-three million, two hundred forty-one thousand, six hundred sixty-six".