71116722166122 has 24 divisors (see below), whose sum is σ = 155449826332164. Its totient is φ = 23495790213504.

The previous prime is 71116722166117. The next prime is 71116722166151. The reversal of 71116722166122 is 22166122761117.

71116722166122 is a `hidden beast` number, since 7 + 1 + 1 + 1 + 6 + 7 + 2 + 21 + 6 + 612 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 68558549040081 + 2558173126041 = 8280009^2 + 1599429^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17481984733 + ... + 17481988800.

Almost surely, 2^{71116722166122} is an apocalyptic number.

71116722166122 is an abundant number, since it is smaller than the sum of its proper divisors (84333104166042).

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

71116722166122 is a wasteful number, since it uses less digits than its factorization.

71116722166122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34963973654 (or 34963973651 counting only the distinct ones).

The product of its digits is 169344, while the sum is 45.

The spelling of 71116722166122 in words is "seventy-one trillion, one hundred sixteen billion, seven hundred twenty-two million, one hundred sixty-six thousand, one hundred twenty-two".