5166666245 has 16 divisors (see below), whose sum is σ = 6907163760. Its totient is φ = 3683817984.

The previous prime is 5166666227. The next prime is 5166666287. The reversal of 5166666245 is 5426666615.

It can be written as a sum of positive squares in 8 ways, for example, as 749335876 + 4417330369 = 27374^2 + 66463^2 .

It is a cyclic number.

It is not a de Polignac number, because 5166666245 - 2¹⁰ = 5166665221 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5166666245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1368584 + ... + 1372353.

It is an arithmetic number, because the mean of its divisors is an integer number (431697735).

Almost surely, 2^5166666245 is an apocalyptic number.

It is an amenable number.

5166666245 is a deficient number, since it is larger than the sum of its proper divisors (1740497515).

5166666245 is a wasteful number, since it uses less digits than its factorization.

5166666245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2740984.

The product of its digits is 1555200, while the sum is 47.

The square root of 5166666245 is about 71879.5259096775. The cubic root of 5166666245 is about 1728.7683488503.

The spelling of 5166666245 in words is "five billion, one hundred sixty-six million, six hundred sixty-six thousand, two hundred forty-five".