5591168428 has 12 divisors (see below), whose sum is σ = 9805772592. Its totient is φ = 2789519120.

The previous prime is 5591168411. The next prime is 5591168431. The reversal of 5591168428 is 8248611955.

It is a super-2 number, since 2×5591168428² = 62522328780527982368, which contains 22 as substring.

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, 1514200 + ... + 1517887.

It is an arithmetic number, because the mean of its divisors is an integer number (817147716).

Almost surely, 2^5591168428 is an apocalyptic number.

It is an amenable number.

5591168428 is a deficient number, since it is larger than the sum of its proper divisors (4214604164).

5591168428 is a wasteful number, since it uses less digits than its factorization.

5591168428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3032552 (or 3032550 counting only the distinct ones).

The product of its digits is 691200, while the sum is 49.

The square root of 5591168428 is about 74774.1160295459. The cubic root of 5591168428 is about 1774.8739899172.

The spelling of 5591168428 in words is "five billion, five hundred ninety-one million, one hundred sixty-eight thousand, four hundred twenty-eight".