5561166722 has 8 divisors (see below), whose sum is σ = 8499141756. Its totient is φ = 2728119472.

The previous prime is 5561166683. The next prime is 5561166727. The reversal of 5561166722 is 2276611655.

It can be written as a sum of positive squares in 2 ways, for example, as 5442160441 + 119006281 = 73771^2 + 10909^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 5561166722.

It is not an unprimeable number, because it can be changed into a prime (5561166727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26231813 + ... + 26232024.

Almost surely, 2^5561166722 is an apocalyptic number.

5561166722 is a deficient number, since it is larger than the sum of its proper divisors (2937975034).

5561166722 is a wasteful number, since it uses less digits than its factorization.

5561166722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52463892.

The product of its digits is 151200, while the sum is 41.

The square root of 5561166722 is about 74573.2305991902. The cubic root of 5561166722 is about 1771.6936900794.

The spelling of 5561166722 in words is "five billion, five hundred sixty-one million, one hundred sixty-six thousand, seven hundred twenty-two".