71517160608 has 24 divisors (see below), whose sum is σ = 187732546848. Its totient is φ = 23839053504.

The previous prime is 71517160597. The next prime is 71517160661. The reversal of 71517160608 is 80606171517.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×71517160608² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 71517160608.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372485116 + ... + 372485307.

It is an arithmetic number, because the mean of its divisors is an integer number (7822189452).

Almost surely, 2^71517160608 is an apocalyptic number.

It is an amenable number.

71517160608 is an abundant number, since it is smaller than the sum of its proper divisors (116215386240).

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

71517160608 is a wasteful number, since it uses less digits than its factorization.

71517160608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744970436 (or 744970428 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 42.

The spelling of 71517160608 in words is "seventy-one billion, five hundred seventeen million, one hundred sixty thousand, six hundred eight".