5186666771 has 32 divisors (see below), whose sum is σ = 6278102208. Its totient is φ = 4221296640.

The previous prime is 5186666743. The next prime is 5186666783. The reversal of 5186666771 is 1776666815.

It is not a de Polignac number, because 5186666771 - 2³⁰ = 4112924947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5186666701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1866335 + ... + 1869111.

It is an arithmetic number, because the mean of its divisors is an integer number (196190694).

Almost surely, 2^5186666771 is an apocalyptic number.

5186666771 is a deficient number, since it is larger than the sum of its proper divisors (1091435437).

5186666771 is a wasteful number, since it uses less digits than its factorization.

5186666771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3191.

The product of its digits is 2540160, while the sum is 53.

The square root of 5186666771 is about 72018.5168619849. The cubic root of 5186666771 is about 1730.9962042764.

The spelling of 5186666771 in words is "five billion, one hundred eighty-six million, six hundred sixty-six thousand, seven hundred seventy-one".