6216616136 has 16 divisors (see below), whose sum is σ = 11659939200. Its totient is φ = 3107299024.

The previous prime is 6216616067. The next prime is 6216616139. The reversal of 6216616136 is 6316166126.

It is a self number, because there is not a number n which added to its sum of digits gives 6216616136.

It is not an unprimeable number, because it can be changed into a prime (6216616139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99620 + ... + 149523.

It is an arithmetic number, because the mean of its divisors is an integer number (728746200).

Almost surely, 2^6216616136 is an apocalyptic number.

It is an amenable number.

6216616136 is a deficient number, since it is larger than the sum of its proper divisors (5443323064).

6216616136 is a wasteful number, since it uses less digits than its factorization.

6216616136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252268 (or 252264 counting only the distinct ones).

The product of its digits is 46656, while the sum is 38.

The square root of 6216616136 is about 78845.5207098032. The cubic root of 6216616136 is about 1838.7302337465.

The spelling of 6216616136 in words is "six billion, two hundred sixteen million, six hundred sixteen thousand, one hundred thirty-six".