2556158 has 8 divisors (see below), whose sum is σ = 4182840. Its totient is φ = 1161880.

The previous prime is 2556149. The next prime is 2556161. The reversal of 2556158 is 8516552.

2556158 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58073 + ... + 58116.

It is an arithmetic number, because the mean of its divisors is an integer number (522855).

2^2556158 is an apocalyptic number.

2556158 is a deficient number, since it is larger than the sum of its proper divisors (1626682).

2556158 is a wasteful number, since it uses less digits than its factorization.

2556158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116202.

The product of its digits is 12000, while the sum is 32.

The square root of 2556158 is about 1598.7989241928. The cubic root of 2556158 is about 136.7296068080.

The spelling of 2556158 in words is "two million, five hundred fifty-six thousand, one hundred fifty-eight".