6616422712 has 32 divisors (see below), whose sum is σ = 13191984000. Its totient is φ = 3100232704.

The previous prime is 6616422679. The next prime is 6616422727. The reversal of 6616422712 is 2172246166.

It is a congruent number.

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, 72712 + ... + 136087.

It is an arithmetic number, because the mean of its divisors is an integer number (412249500).

Almost surely, 2^6616422712 is an apocalyptic number.

It is an amenable number.

6616422712 is a deficient number, since it is larger than the sum of its proper divisors (6575561288).

6616422712 is a wasteful number, since it uses less digits than its factorization.

6616422712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209055 (or 209051 counting only the distinct ones).

The product of its digits is 48384, while the sum is 37.

The square root of 6616422712 is about 81341.3960539159. The cubic root of 6616422712 is about 1877.3319926047.

Adding to 6616422712 its reverse (2172246166), we get a palindrome (8788668878).

The spelling of 6616422712 in words is "six billion, six hundred sixteen million, four hundred twenty-two thousand, seven hundred twelve".