6655159 has 4 divisors (see below), whose sum is σ = 7605904. Its totient is φ = 5704416.

The previous prime is 6655133. The next prime is 6655169. The reversal of 6655159 is 9515566.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9515566 = 2 ⋅4757783.

It is a cyclic number.

It is not a de Polignac number, because 6655159 - 2⁹ = 6654647 is a prime.

It is a super-2 number, since 2×6655159² = 88582282630562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6655169) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 475362 + ... + 475375.

It is an arithmetic number, because the mean of its divisors is an integer number (1901476).

Almost surely, 2^6655159 is an apocalyptic number.

6655159 is a deficient number, since it is larger than the sum of its proper divisors (950745).

6655159 is an equidigital number, since it uses as much as digits as its factorization.

6655159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950744.

The product of its digits is 40500, while the sum is 37.

The square root of 6655159 is about 2579.7594849133. The cubic root of 6655159 is about 188.0988521180.

It can be divided in two parts, 66 and 55159, that added together give a square (55225 = 235²).

The spelling of 6655159 in words is "six million, six hundred fifty-five thousand, one hundred fifty-nine".