2591167086 has 24 divisors (see below), whose sum is σ = 5668706160. Its totient is φ = 855336096.

The previous prime is 2591167049. The next prime is 2591167087. The reversal of 2591167086 is 6807611952.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2591167087) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 696951 + ... + 700658.

It is an arithmetic number, because the mean of its divisors is an integer number (236196090).

Almost surely, 2^2591167086 is an apocalyptic number.

2591167086 is an abundant number, since it is smaller than the sum of its proper divisors (3077539074).

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

2591167086 is a wasteful number, since it uses less digits than its factorization.

2591167086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397720 (or 1397717 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 2591167086 is about 50903.5076001645. The cubic root of 2591167086 is about 1373.5099381838.

The spelling of 2591167086 in words is "two billion, five hundred ninety-one million, one hundred sixty-seven thousand, eighty-six".