6868155 has 32 divisors (see below), whose sum is σ = 12672000. Its totient is φ = 3111552.

The previous prime is 6868133. The next prime is 6868163. The reversal of 6868155 is 5518686.

It is not a de Polignac number, because 6868155 - 2⁵ = 6868123 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15426 + ... + 15864.

It is an arithmetic number, because the mean of its divisors is an integer number (396000).

Almost surely, 2^6868155 is an apocalyptic number.

6868155 is a deficient number, since it is larger than the sum of its proper divisors (5803845).

6868155 is a wasteful number, since it uses less digits than its factorization.

6868155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603.

The product of its digits is 57600, while the sum is 39.

The square root of 6868155 is about 2620.7165050802. The cubic root of 6868155 is about 190.0844961203.

The spelling of 6868155 in words is "six million, eight hundred sixty-eight thousand, one hundred fifty-five".