6800155 has 8 divisors (see below), whose sum is σ = 8197200. Its totient is φ = 5415456.

The previous prime is 6800147. The next prime is 6800161. The reversal of 6800155 is 5510086.

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

It is a cyclic number.

It is not a de Polignac number, because 6800155 - 2³ = 6800147 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 7 ways as a sum of consecutive naturals, for example, 1825 + ... + 4114.

It is an arithmetic number, because the mean of its divisors is an integer number (1024650).

Almost surely, 2^6800155 is an apocalyptic number.

6800155 is a deficient number, since it is larger than the sum of its proper divisors (1397045).

6800155 is a wasteful number, since it uses less digits than its factorization.

6800155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6173.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 6800155 is about 2607.7106818050. The cubic root of 6800155 is about 189.4550869025.

The spelling of 6800155 in words is "six million, eight hundred thousand, one hundred fifty-five".