6218617055 has 16 divisors (see below), whose sum is σ = 8645219904. Its totient is φ = 4205779200.

The previous prime is 6218617049. The next prime is 6218617061. The reversal of 6218617055 is 5507168126.

It is an interprime number because it is at equal distance from previous prime (6218617049) and next prime (6218617061).

It is not a de Polignac number, because 6218617055 - 2¹⁴ = 6218600671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1214396 + ... + 1219505.

It is an arithmetic number, because the mean of its divisors is an integer number (540326244).

Almost surely, 2^6218617055 is an apocalyptic number.

6218617055 is a deficient number, since it is larger than the sum of its proper divisors (2426602849).

6218617055 is a wasteful number, since it uses less digits than its factorization.

6218617055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2433986.

The product of its (nonzero) digits is 100800, while the sum is 41.

The square root of 6218617055 is about 78858.2085454647. The cubic root of 6218617055 is about 1838.9274876608.

Subtracting from 6218617055 its reverse (5507168126), we obtain a square (711448929 = 26673²).

The spelling of 6218617055 in words is "six billion, two hundred eighteen million, six hundred seventeen thousand, fifty-five".