6556155 has 8 divisors (see below), whose sum is σ = 10489872. Its totient is φ = 3496608.

The previous prime is 6556111. The next prime is 6556201. The reversal of 6556155 is 5516556.

6556155 is digitally balanced in base 4, 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 not a de Polignac number, because 6556155 - 2⁷ = 6556027 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218524 + ... + 218553.

It is an arithmetic number, because the mean of its divisors is an integer number (1311234).

Almost surely, 2^6556155 is an apocalyptic number.

6556155 is a deficient number, since it is larger than the sum of its proper divisors (3933717).

6556155 is a wasteful number, since it uses less digits than its factorization.

6556155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437085.

The product of its digits is 22500, while the sum is 33.

The square root of 6556155 is about 2560.4989748094. The cubic root of 6556155 is about 187.1614513090.

The spelling of 6556155 in words is "six million, five hundred fifty-six thousand, one hundred fifty-five".