5811166402 has 4 divisors (see below), whose sum is σ = 8716749606. Its totient is φ = 2905583200.

The previous prime is 5811166393. The next prime is 5811166463. The reversal of 5811166402 is 2046611185.

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., 3630183001 + 2180983401 = 60251^2 + 46701^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1452791599 + ... + 1452791602.

Almost surely, 2^5811166402 is an apocalyptic number.

5811166402 is a deficient number, since it is larger than the sum of its proper divisors (2905583204).

5811166402 is a wasteful number, since it uses less digits than its factorization.

5811166402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2905583203.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 5811166402 is about 76231.0068279306. The cubic root of 5811166402 is about 1797.8540683910.

Adding to 5811166402 its reverse (2046611185), we get a palindrome (7857777587).

The spelling of 5811166402 in words is "five billion, eight hundred eleven million, one hundred sixty-six thousand, four hundred two".