71107163844 has 48 divisors (see below), whose sum is σ = 166483437120. Its totient is φ = 23621523840.

The previous prime is 71107163821. The next prime is 71107163891. The reversal of 71107163844 is 44836170117.

It is a junction number, because it is equal to n+sod(n) for n = 71107163796 and 71107163805.

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, 7062574 + ... + 7072634.

It is an arithmetic number, because the mean of its divisors is an integer number (3468404940).

Almost surely, 2^71107163844 is an apocalyptic number.

It is an amenable number.

71107163844 is an abundant number, since it is smaller than the sum of its proper divisors (95376273276).

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

71107163844 is a wasteful number, since it uses less digits than its factorization.

71107163844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12020 (or 12018 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 42.

The spelling of 71107163844 in words is "seventy-one billion, one hundred seven million, one hundred sixty-three thousand, eight hundred forty-four".