5066391655 has 16 divisors (see below), whose sum is σ = 6658313760. Its totient is φ = 3677920128.

The previous prime is 5066391653. The next prime is 5066391683. The reversal of 5066391655 is 5561936605.

It is a cyclic number.

It is not a de Polignac number, because 5066391655 - 2¹ = 5066391653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5066391653) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 656712 + ... + 664381.

It is an arithmetic number, because the mean of its divisors is an integer number (416144610).

Almost surely, 2^5066391655 is an apocalyptic number.

5066391655 is a deficient number, since it is larger than the sum of its proper divisors (1591922105).

5066391655 is a wasteful number, since it uses less digits than its factorization.

5066391655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321170.

The product of its (nonzero) digits is 729000, while the sum is 46.

The square root of 5066391655 is about 71178.5898638067. The cubic root of 5066391655 is about 1717.5112346333.

The spelling of 5066391655 in words is "five billion, sixty-six million, three hundred ninety-one thousand, six hundred fifty-five".