5591162726 has 8 divisors (see below), whose sum is σ = 8389878024. Its totient is φ = 2794536720.

The previous prime is 5591162719. The next prime is 5591162779. The reversal of 5591162726 is 6272611955.

It is a happy number.

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

It is a super-2 number, since 2×5591162726² = 62522201257223502152, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 515615 + ... + 526346.

It is an arithmetic number, because the mean of its divisors is an integer number (1048734753).

Almost surely, 2^5591162726 is an apocalyptic number.

5591162726 is a deficient number, since it is larger than the sum of its proper divisors (2798715298).

5591162726 is a wasteful number, since it uses less digits than its factorization.

5591162726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044646.

The product of its digits is 226800, while the sum is 44.

The square root of 5591162726 is about 74774.0779013690. The cubic root of 5591162726 is about 1774.8733865648.

The spelling of 5591162726 in words is "five billion, five hundred ninety-one million, one hundred sixty-two thousand, seven hundred twenty-six".