71338966464 has 112 divisors (see below), whose sum is σ = 201010832928. Its totient is φ = 22251307008.

The previous prime is 71338966427. The next prime is 71338966507. The reversal of 71338966464 is 46466983317.

It is a congruent number.

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, 501504 + ... + 627840.

Almost surely, 2^71338966464 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 71338966464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100505416464).

71338966464 is an abundant number, since it is smaller than the sum of its proper divisors (129671866464).

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

71338966464 is a wasteful number, since it uses less digits than its factorization.

71338966464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126542 (or 126532 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 57.

The spelling of 71338966464 in words is "seventy-one billion, three hundred thirty-eight million, nine hundred sixty-six thousand, four hundred sixty-four".