71964357116 has 12 divisors (see below), whose sum is σ = 131413174032. Its totient is φ = 34417735968.

The previous prime is 71964357107. The next prime is 71964357121. The reversal of 71964357116 is 61175346917.

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, 391110545 + ... + 391110728.

It is an arithmetic number, because the mean of its divisors is an integer number (10951097836).

Almost surely, 2^71964357116 is an apocalyptic number.

It is an amenable number.

71964357116 is a deficient number, since it is larger than the sum of its proper divisors (59448816916).

71964357116 is a wasteful number, since it uses less digits than its factorization.

71964357116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782221300 (or 782221298 counting only the distinct ones).

The product of its digits is 952560, while the sum is 50.

The spelling of 71964357116 in words is "seventy-one billion, nine hundred sixty-four million, three hundred fifty-seven thousand, one hundred sixteen".