5213466666 has 20 divisors (see below), whose sum is σ = 11682027522. Its totient is φ = 1737822168.

The previous prime is 5213466647. The next prime is 5213466683. The reversal of 5213466666 is 6666643125.

It can be written as a sum of positive squares in only one way, i.e., 3835201041 + 1378265625 = 61929^2 + 37125^2 .

5213466666 is a modest number, since divided by 66666 gives 52134 as remainder.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 16090785 + ... + 16091108.

Almost surely, 2^5213466666 is an apocalyptic number.

5213466666 is an abundant number, since it is smaller than the sum of its proper divisors (6468560856).

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

5213466666 is a wasteful number, since it uses less digits than its factorization.

5213466666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32181907 (or 32181898 counting only the distinct ones).

The product of its digits is 933120, while the sum is 45.

The square root of 5213466666 is about 72204.3396618237. The cubic root of 5213466666 is about 1733.9724795383.

The spelling of 5213466666 in words is "five billion, two hundred thirteen million, four hundred sixty-six thousand, six hundred sixty-six".