71223584416 has 24 divisors (see below), whose sum is σ = 140546798784. Its totient is φ = 35529159360.

The previous prime is 71223584321. The next prime is 71223584431. The reversal of 71223584416 is 61448532217.

It is a super-2 number, since 2×71223584416² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2568270 + ... + 2595853.

It is an arithmetic number, because the mean of its divisors is an integer number (5856116616).

Almost surely, 2^71223584416 is an apocalyptic number.

It is an amenable number.

71223584416 is a deficient number, since it is larger than the sum of its proper divisors (69323214368).

71223584416 is a wasteful number, since it uses less digits than its factorization.

71223584416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5164564 (or 5164556 counting only the distinct ones).

The product of its digits is 322560, while the sum is 43.

The spelling of 71223584416 in words is "seventy-one billion, two hundred twenty-three million, five hundred eighty-four thousand, four hundred sixteen".