57171718006068 has 96 divisors (see below), whose sum is σ = 138623167549440. Its totient is φ = 18326026362240.

The previous prime is 57171718006063. The next prime is 57171718006069. The reversal of 57171718006068 is 86060081717175.

It is a junction number, because it is equal to n+sod(n) for n = 57171718005999 and 57171718006017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57171718006063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30713155 + ... + 32521397.

It is an arithmetic number, because the mean of its divisors is an integer number (1443991328640).

Almost surely, 2^{57171718006068} is an apocalyptic number.

It is an amenable number.

57171718006068 is an abundant number, since it is smaller than the sum of its proper divisors (81451449543372).

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

57171718006068 is a wasteful number, since it uses less digits than its factorization.

57171718006068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1809277 (or 1809275 counting only the distinct ones).

The product of its (nonzero) digits is 3951360, while the sum is 57.

The spelling of 57171718006068 in words is "fifty-seven trillion, one hundred seventy-one billion, seven hundred eighteen million, six thousand, sixty-eight".