71199165060 has 144 divisors (see below), whose sum is σ = 236051891712. Its totient is φ = 17293132800.

The previous prime is 71199165019. The next prime is 71199165061. The reversal of 71199165060 is 6056199117.

It is a super-2 number, since 2×71199165060² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 71199164997 and 71199165015.

It is not an unprimeable number, because it can be changed into a prime (71199165061) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 280426 + ... + 470145.

It is an arithmetic number, because the mean of its divisors is an integer number (1639249248).

Almost surely, 2^71199165060 is an apocalyptic number.

It is an amenable number.

71199165060 is an abundant number, since it is smaller than the sum of its proper divisors (164852726652).

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

71199165060 is a wasteful number, since it uses less digits than its factorization.

71199165060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750634 (or 750629 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 45.

The spelling of 71199165060 in words is "seventy-one billion, one hundred ninety-nine million, one hundred sixty-five thousand, sixty".