71316141620 has 48 divisors (see below), whose sum is σ = 150068373840. Its totient is φ = 28468537344.

The previous prime is 71316141577. The next prime is 71316141683. The reversal of 71316141620 is 2614161317.

It can be written as a sum of positive squares in 8 ways, for example, as 35813291536 + 35502850084 = 189244^2 + 188422^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31879142 + ... + 31881378.

It is an arithmetic number, because the mean of its divisors is an integer number (3126424455).

Almost surely, 2^71316141620 is an apocalyptic number.

It is an amenable number.

71316141620 is an abundant number, since it is smaller than the sum of its proper divisors (78752232220).

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

71316141620 is a wasteful number, since it uses less digits than its factorization.

71316141620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4772 (or 4770 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The spelling of 71316141620 in words is "seventy-one billion, three hundred sixteen million, one hundred forty-one thousand, six hundred twenty".