71062646868 has 144 divisors (see below), whose sum is σ = 190067958080. Its totient is φ = 23210613504.

The previous prime is 71062646839. The next prime is 71062646891. The reversal of 71062646868 is 86864626017.

71062646868 is a `hidden beast` number, since 7 + 1 + 0 + 626 + 4 + 6 + 8 + 6 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11136903 + ... + 11143281.

Almost surely, 2^71062646868 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 71062646868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95033979040).

71062646868 is an abundant number, since it is smaller than the sum of its proper divisors (119005311212).

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

71062646868 is a wasteful number, since it uses less digits than its factorization.

71062646868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6628 (or 6614 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The spelling of 71062646868 in words is "seventy-one billion, sixty-two million, six hundred forty-six thousand, eight hundred sixty-eight".