71601716552 has 64 divisors (see below), whose sum is σ = 143515100160. Its totient is φ = 33434668800.

The previous prime is 71601716539. The next prime is 71601716567. The reversal of 71601716552 is 25561710617.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 757133 + ... + 846435.

It is an arithmetic number, because the mean of its divisors is an integer number (2242423440).

Almost surely, 2^71601716552 is an apocalyptic number.

It is an amenable number.

71601716552 is an abundant number, since it is smaller than the sum of its proper divisors (71913383608).

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

71601716552 is a wasteful number, since it uses less digits than its factorization.

71601716552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89454 (or 89450 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 41.

The spelling of 71601716552 in words is "seventy-one billion, six hundred one million, seven hundred sixteen thousand, five hundred fifty-two".