71562020130160 has 80 divisors (see below), whose sum is σ = 190414976947200. Its totient is φ = 24501425073408.

The previous prime is 71562020130131. The next prime is 71562020130221. The reversal of 71562020130160 is 6103102026517.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×71562020130160² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88463370 + ... + 89268649.

It is an arithmetic number, because the mean of its divisors is an integer number (2380187211840).

Almost surely, 2^{71562020130160} is an apocalyptic number.

71562020130160 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

71562020130160 is an abundant number, since it is smaller than the sum of its proper divisors (118852956817040).

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

71562020130160 is a wasteful number, since it uses less digits than its factorization.

71562020130160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177732758 (or 177732752 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

Adding to 71562020130160 its reverse (6103102026517), we get a palindrome (77665122156677).

The spelling of 71562020130160 in words is "seventy-one trillion, five hundred sixty-two billion, twenty million, one hundred thirty thousand, one hundred sixty".