71070172222106 has 12 divisors (see below), whose sum is σ = 107671206442686. Its totient is φ = 35183253565200.

The previous prime is 71070172222069. The next prime is 71070172222111. The reversal of 71070172222106 is 60122227107017.

It can be written as a sum of positive squares in 3 ways, for example, as 61630585765225 + 9439586456881 = 7850515^2 + 3072391^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 71070172222106.

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 5 ways as a sum of consecutive naturals, for example, 1741724825 + ... + 1741765628.

Almost surely, 2^{71070172222106} is an apocalyptic number.

71070172222106 is a deficient number, since it is larger than the sum of its proper divisors (36601034220580).

71070172222106 is a wasteful number, since it uses less digits than its factorization.

71070172222106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3483490657 (or 3483490556 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 38.

The spelling of 71070172222106 in words is "seventy-one trillion, seventy billion, one hundred seventy-two million, two hundred twenty-two thousand, one hundred six".