5571261166 has 8 divisors (see below), whose sum is σ = 8645060520. Its totient is φ = 2689574328.

The previous prime is 5571261139. The next prime is 5571261191. The reversal of 5571261166 is 6611621755.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48028056 + ... + 48028171.

It is an arithmetic number, because the mean of its divisors is an integer number (1080632565).

Almost surely, 2^5571261166 is an apocalyptic number.

5571261166 is a deficient number, since it is larger than the sum of its proper divisors (3073799354).

5571261166 is a wasteful number, since it uses less digits than its factorization.

5571261166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96056258.

The product of its digits is 75600, while the sum is 40.

The square root of 5571261166 is about 74640.8813318814. The cubic root of 5571261166 is about 1772.7650151904.

The spelling of 5571261166 in words is "five billion, five hundred seventy-one million, two hundred sixty-one thousand, one hundred sixty-six".