6220155568 has 40 divisors (see below), whose sum is σ = 13920515280. Its totient is φ = 2661027840.

The previous prime is 6220155559. The next prime is 6220155587. The reversal of 6220155568 is 8655510226.

It is a self number, because there is not a number n which added to its sum of digits gives 6220155568.

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, 1036473 + ... + 1042456.

It is an arithmetic number, because the mean of its divisors is an integer number (348012882).

Almost surely, 2^6220155568 is an apocalyptic number.

6220155568 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

6220155568 is an abundant number, since it is smaller than the sum of its proper divisors (7700359712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6220155568 is a wasteful number, since it uses less digits than its factorization.

6220155568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2078965 (or 2078959 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 40.

The square root of 6220155568 is about 78867.9628746679. The cubic root of 6220155568 is about 1839.0791280514.

The spelling of 6220155568 in words is "six billion, two hundred twenty million, one hundred fifty-five thousand, five hundred sixty-eight".