2581168 has 10 divisors (see below), whose sum is σ = 5001044. Its totient is φ = 1290576.

The previous prime is 2581147. The next prime is 2581171. The reversal of 2581168 is 8611852.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80646 + ... + 80677.

2^2581168 is an apocalyptic number.

It is an amenable number.

2581168 is a deficient number, since it is larger than the sum of its proper divisors (2419876).

2581168 is a wasteful number, since it uses less digits than its factorization.

2581168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161331 (or 161325 counting only the distinct ones).

The product of its digits is 3840, while the sum is 31.

The square root of 2581168 is about 1606.6013817995. The cubic root of 2581168 is about 137.1740909350.

The spelling of 2581168 in words is "two million, five hundred eighty-one thousand, one hundred sixty-eight".