71600660045 has 8 divisors (see below), whose sum is σ = 85926523896. Its totient is φ = 57276706816.

The previous prime is 71600660011. The next prime is 71600660057. The reversal of 71600660045 is 54006600617.

It can be written as a sum of positive squares in 4 ways, for example, as 6556788676 + 65043871369 = 80974^2 + 255037^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71600660045 - 2⁶ = 71600659981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71600659987 and 71600660014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393872 + ... + 546201.

It is an arithmetic number, because the mean of its divisors is an integer number (10740815487).

Almost surely, 2^71600660045 is an apocalyptic number.

It is an amenable number.

71600660045 is a deficient number, since it is larger than the sum of its proper divisors (14325863851).

71600660045 is a wasteful number, since it uses less digits than its factorization.

71600660045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955311.

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 71600660045 in words is "seventy-one billion, six hundred million, six hundred sixty thousand, forty-five".