5531161599 has 32 divisors (see below), whose sum is σ = 8683200000. Its totient is φ = 3467786112.

The previous prime is 5531161553. The next prime is 5531161607. The reversal of 5531161599 is 9951611355.

5531161599 is a `hidden beast` number, since 5 + 53 + 1 + 1 + 6 + 1 + 599 = 666.

It is not a de Polignac number, because 5531161599 - 2¹¹ = 5531159551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5531161399) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 684022 + ... + 692060.

It is an arithmetic number, because the mean of its divisors is an integer number (271350000).

Almost surely, 2^5531161599 is an apocalyptic number.

5531161599 is a deficient number, since it is larger than the sum of its proper divisors (3152038401).

5531161599 is a wasteful number, since it uses less digits than its factorization.

5531161599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9564 (or 9558 counting only the distinct ones).

The product of its digits is 182250, while the sum is 45.

The square root of 5531161599 is about 74371.7795874215. The cubic root of 5531161599 is about 1768.5015672186.

The spelling of 5531161599 in words is "five billion, five hundred thirty-one million, one hundred sixty-one thousand, five hundred ninety-nine".