71517160607 has 4 divisors (see below), whose sum is σ = 71526705000. Its totient is φ = 71507616216.

The previous prime is 71517160597. The next prime is 71517160661. The reversal of 71517160607 is 70606171517.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 71517160607 - 2⁴ = 71517160591 is a prime.

It is a super-2 number, since 2×71517160607² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71517160697) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4760948 + ... + 4775945.

It is an arithmetic number, because the mean of its divisors is an integer number (17881676250).

Almost surely, 2^71517160607 is an apocalyptic number.

71517160607 is a deficient number, since it is larger than the sum of its proper divisors (9544393).

71517160607 is an equidigital number, since it uses as much as digits as its factorization.

71517160607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9544392.

The product of its (nonzero) digits is 61740, while the sum is 41.

The spelling of 71517160607 in words is "seventy-one billion, five hundred seventeen million, one hundred sixty thousand, six hundred seven".