71517160650 has 48 divisors (see below), whose sum is σ = 191005837344. Its totient is φ = 17604223680.

The previous prime is 71517160597. The next prime is 71517160661. The reversal of 71517160650 is 5606171517.

It is a super-2 number, since 2×71517160650² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 71517160599 and 71517160608.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18335784 + ... + 18339683.

It is an arithmetic number, because the mean of its divisors is an integer number (3979288278).

Almost surely, 2^71517160650 is an apocalyptic number.

71517160650 is an abundant number, since it is smaller than the sum of its proper divisors (119488676694).

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

71517160650 is a wasteful number, since it uses less digits than its factorization.

71517160650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36675495 (or 36675490 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 39.

The spelling of 71517160650 in words is "seventy-one billion, five hundred seventeen million, one hundred sixty thousand, six hundred fifty".