2591161124 has 6 divisors (see below), whose sum is σ = 4534531974. Its totient is φ = 1295580560.

The previous prime is 2591161109. The next prime is 2591161129. The reversal of 2591161124 is 4211611952.

It can be written as a sum of positive squares in only one way, i.e., 1674282724 + 916878400 = 40918^2 + 30280^2 .

It is not an unprimeable number, because it can be changed into a prime (2591161129) by changing a digit.

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 as a sum of consecutive naturals, namely, 323895137 + ... + 323895144.

It is an arithmetic number, because the mean of its divisors is an integer number (755755329).

Almost surely, 2^2591161124 is an apocalyptic number.

It is an amenable number.

2591161124 is a deficient number, since it is larger than the sum of its proper divisors (1943370850).

2591161124 is a wasteful number, since it uses less digits than its factorization.

2591161124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647790285 (or 647790283 counting only the distinct ones).

The product of its digits is 4320, while the sum is 32.

The square root of 2591161124 is about 50903.4490383510. The cubic root of 2591161124 is about 1373.5088847495.

The spelling of 2591161124 in words is "two billion, five hundred ninety-one million, one hundred sixty-one thousand, one hundred twenty-four".