71616282806224 has 20 divisors (see below), whose sum is σ = 149430128548036. Its totient is φ = 33053668987392.

The previous prime is 71616282806219. The next prime is 71616282806249. The reversal of 71616282806224 is 42260828261617.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 15474530677824 + 56141752128400 = 3933768^2 + 7492780^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172154525769 + ... + 172154526184.

Almost surely, 2^{71616282806224} is an apocalyptic number.

It is an amenable number.

71616282806224 is an abundant number, since it is smaller than the sum of its proper divisors (77813845741812).

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

71616282806224 is a wasteful number, since it uses less digits than its factorization.

71616282806224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344309051974 (or 344309051968 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 55.

The spelling of 71616282806224 in words is "seventy-one trillion, six hundred sixteen billion, two hundred eighty-two million, eight hundred six thousand, two hundred twenty-four".