2216712172756 has 48 divisors (see below), whose sum is σ = 4089292220160. Its totient is φ = 1048511917440.

The previous prime is 2216712172733. The next prime is 2216712172771. The reversal of 2216712172756 is 6572712176122.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187517326 + ... + 187529146.

It is an arithmetic number, because the mean of its divisors is an integer number (85193587920).

Almost surely, 2^{2216712172756} is an apocalyptic number.

It is an amenable number.

2216712172756 is a deficient number, since it is larger than the sum of its proper divisors (1872580047404).

2216712172756 is a wasteful number, since it uses less digits than its factorization.

2216712172756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15184 (or 15182 counting only the distinct ones).

The product of its digits is 987840, while the sum is 49.

The spelling of 2216712172756 in words is "two trillion, two hundred sixteen billion, seven hundred twelve million, one hundred seventy-two thousand, seven hundred fifty-six".