71918466468 has 24 divisors (see below), whose sum is σ = 171712308768. Its totient is φ = 23415314496.

The previous prime is 71918466463. The next prime is 71918466479. The reversal of 71918466468 is 86466481917.

It is not an unprimeable number, because it can be changed into a prime (71918466463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69687921 + ... + 69688952.

It is an arithmetic number, because the mean of its divisors is an integer number (7154679532).

Almost surely, 2^71918466468 is an apocalyptic number.

It is an amenable number.

71918466468 is an abundant number, since it is smaller than the sum of its proper divisors (99793842300).

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

71918466468 is a wasteful number, since it uses less digits than its factorization.

71918466468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139376923 (or 139376921 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 60.

The spelling of 71918466468 in words is "seventy-one billion, nine hundred eighteen million, four hundred sixty-six thousand, four hundred sixty-eight".