2591143161 has 8 divisors (see below), whose sum is σ = 3462353664. Its totient is φ = 1723680720.

The previous prime is 2591143157. The next prime is 2591143169. The reversal of 2591143161 is 1613411952.

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

It is not a de Polignac number, because 2591143161 - 2² = 2591143157 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2591143169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 935401 + ... + 938166.

It is an arithmetic number, because the mean of its divisors is an integer number (432794208).

Almost surely, 2^2591143161 is an apocalyptic number.

It is an amenable number.

2591143161 is a deficient number, since it is larger than the sum of its proper divisors (871210503).

2591143161 is a wasteful number, since it uses less digits than its factorization.

2591143161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1874031.

The product of its digits is 6480, while the sum is 33.

The square root of 2591143161 is about 50903.2725961701. The cubic root of 2591143161 is about 1373.5057108317.

The spelling of 2591143161 in words is "two billion, five hundred ninety-one million, one hundred forty-three thousand, one hundred sixty-one".