2567891996 has 12 divisors (see below), whose sum is σ = 4494949200. Its totient is φ = 1283620800.

The previous prime is 2567891947. The next prime is 2567892001. The reversal of 2567891996 is 6991987652.

It is a congruent number.

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, 63080 + ... + 95471.

It is an arithmetic number, because the mean of its divisors is an integer number (374579100).

Almost surely, 2^2567891996 is an apocalyptic number.

It is an amenable number.

2567891996 is a deficient number, since it is larger than the sum of its proper divisors (1927057204).

2567891996 is a wasteful number, since it uses less digits than its factorization.

2567891996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162604 (or 162602 counting only the distinct ones).

The product of its digits is 14696640, while the sum is 62.

The square root of 2567891996 is about 50674.3721816067. The cubic root of 2567891996 is about 1369.3850572784.

The spelling of 2567891996 in words is "two billion, five hundred sixty-seven million, eight hundred ninety-one thousand, nine hundred ninety-six".