71216858676 has 12 divisors (see below), whose sum is σ = 166172670272. Its totient is φ = 23738952888.

The previous prime is 71216858653. The next prime is 71216858717. The reversal of 71216858676 is 67685861217.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

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, 2967369100 + ... + 2967369123.

Almost surely, 2^71216858676 is an apocalyptic number.

It is an amenable number.

71216858676 is an abundant number, since it is smaller than the sum of its proper divisors (94955811596).

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

71216858676 is a wasteful number, since it uses less digits than its factorization.

71216858676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5934738230 (or 5934738228 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 57.

The spelling of 71216858676 in words is "seventy-one billion, two hundred sixteen million, eight hundred fifty-eight thousand, six hundred seventy-six".