71029168552328 has 64 divisors (see below), whose sum is σ = 159267475000320. Its totient is φ = 29055552768000.

The previous prime is 71029168552291. The next prime is 71029168552337. The reversal of 71029168552328 is 82325586192017.

It is a happy number.

It is a super-2 number, since 2×71029168552328² (a number of 29 digits) contains 22 as substring.

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, 280115873 + ... + 280369328.

It is an arithmetic number, because the mean of its divisors is an integer number (2488554296880).

Almost surely, 2^{71029168552328} is an apocalyptic number.

It is an amenable number.

71029168552328 is an abundant number, since it is smaller than the sum of its proper divisors (88238306447992).

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

71029168552328 is a wasteful number, since it uses less digits than its factorization.

71029168552328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560485318 (or 560485314 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 59.

The spelling of 71029168552328 in words is "seventy-one trillion, twenty-nine billion, one hundred sixty-eight million, five hundred fifty-two thousand, three hundred twenty-eight".