71003668848 has 160 divisors (see below), whose sum is σ = 212304268800. Its totient is φ = 20028653568.

The previous prime is 71003668847. The next prime is 71003668891. The reversal of 71003668848 is 84886630017.

It is a self number, because there is not a number n which added to its sum of digits gives 71003668848.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71003668847) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26403888 + ... + 26406576.

It is an arithmetic number, because the mean of its divisors is an integer number (1326901680).

Almost surely, 2^71003668848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71003668848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106152134400).

71003668848 is an abundant number, since it is smaller than the sum of its proper divisors (141300599952).

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

71003668848 is a wasteful number, since it uses less digits than its factorization.

71003668848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3679 (or 3673 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 51.

The spelling of 71003668848 in words is "seventy-one billion, three million, six hundred sixty-eight thousand, eight hundred forty-eight".