6165555616 has 48 divisors (see below), whose sum is σ = 13255770528. Its totient is φ = 2799596800.

The previous prime is 6165555577. The next prime is 6165555619.

6165555616 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (6165555619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347931 + ... + 365221.

It is an arithmetic number, because the mean of its divisors is an integer number (276161886).

Almost surely, 2^6165555616 is an apocalyptic number.

It is an amenable number.

6165555616 is an abundant number, since it is smaller than the sum of its proper divisors (7090214912).

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

6165555616 is a wasteful number, since it uses less digits than its factorization.

6165555616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18325 (or 18317 counting only the distinct ones).

The product of its digits is 810000, while the sum is 46.

The square root of 6165555616 is about 78521.0520561206. The cubic root of 6165555616 is about 1833.6822169163.

The spelling of 6165555616 in words is "six billion, one hundred sixty-five million, five hundred fifty-five thousand, six hundred sixteen".