5065666605 has 24 divisors (see below), whose sum is σ = 8814674232. Its totient is φ = 2691170304.

The previous prime is 5065666603. The next prime is 5065666621. The reversal of 5065666605 is 5066665605.

It can be written as a sum of positive squares in 4 ways, for example, as 1044711684 + 4020954921 = 32322^2 + 63411^2 .

It is not a de Polignac number, because 5065666605 - 2¹ = 5065666603 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5065666603) 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, 207444 + ... + 230573.

It is an arithmetic number, because the mean of its divisors is an integer number (367278093).

Almost surely, 2^5065666605 is an apocalyptic number.

It is an amenable number.

5065666605 is a deficient number, since it is larger than the sum of its proper divisors (3749007627).

5065666605 is a wasteful number, since it uses less digits than its factorization.

5065666605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438285 (or 438282 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 45.

The square root of 5065666605 is about 71173.4965067756. The cubic root of 5065666605 is about 1717.4292998617.

The spelling of 5065666605 in words is "five billion, sixty-five million, six hundred sixty-six thousand, six hundred five".