5185888066 has 4 divisors (see below), whose sum is σ = 7778832102. Its totient is φ = 2592944032.

The previous prime is 5185888049. The next prime is 5185888073. The reversal of 5185888066 is 6608885815.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4346105625 + 839782441 = 65925^2 + 28979^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5185887998 and 5185888016.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1296472015 + ... + 1296472018.

Almost surely, 2^5185888066 is an apocalyptic number.

5185888066 is a deficient number, since it is larger than the sum of its proper divisors (2592944036).

5185888066 is a wasteful number, since it uses less digits than its factorization.

5185888066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2592944035.

The product of its (nonzero) digits is 3686400, while the sum is 55.

The square root of 5185888066 is about 72013.1103758198. The cubic root of 5185888066 is about 1730.9095717034.

The spelling of 5185888066 in words is "five billion, one hundred eighty-five million, eight hundred eighty-eight thousand, sixty-six".