5591168 has 72 divisors (see below), whose sum is σ = 12921615. Its totient is φ = 2407680.

The previous prime is 5591137. The next prime is 5591197. The reversal of 5591168 is 8611955.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 2795584 + 2795584 = 1672^2 + 1672^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=1672.

It is a super-2 number, since 2×5591168² = 62522319208448, which contains 22 as substring.

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 294263 + ... + 294281.

Almost surely, 2^5591168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5591168

5591168 is an abundant number, since it is smaller than the sum of its proper divisors (7330447).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5591168 is a wasteful number, since it uses less digits than its factorization.

5591168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74 (or 32 counting only the distinct ones).

The product of its digits is 10800, while the sum is 35.

The square root of 5591168 is about 2364.5650762878. The cubic root of 5591168 is about 177.4873944629.

The spelling of 5591168 in words is "five million, five hundred ninety-one thousand, one hundred sixty-eight".