71601162752 has 80 divisors (see below), whose sum is σ = 163575572160. Its totient is φ = 30672027648.

The previous prime is 71601162739. The next prime is 71601162779. The reversal of 71601162752 is 25726110617.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12386999 + ... + 12392777.

It is an arithmetic number, because the mean of its divisors is an integer number (2044694652).

Almost surely, 2^71601162752 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 71601162752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81787786080).

71601162752 is an abundant number, since it is smaller than the sum of its proper divisors (91974409408).

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

71601162752 is an equidigital number, since it uses as much as digits as its factorization.

71601162752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9261 (or 9245 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 38.

The spelling of 71601162752 in words is "seventy-one billion, six hundred one million, one hundred sixty-two thousand, seven hundred fifty-two".