5171666872170 has 32 divisors (see below), whose sum is σ = 12506748598080. Its totient is φ = 1368583598720.

The previous prime is 5171666872153. The next prime is 5171666872193. The reversal of 5171666872170 is 712786661715.

It is a super-2 number, since 2×5171666872170² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5171666872170.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 657968955 + ... + 657976814.

It is an arithmetic number, because the mean of its divisors is an integer number (390835893690).

Almost surely, 2^{5171666872170} is an apocalyptic number.

5171666872170 is an abundant number, since it is smaller than the sum of its proper divisors (7335081725910).

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

5171666872170 is a wasteful number, since it uses less digits than its factorization.

5171666872170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315945910.

The product of its (nonzero) digits is 5927040, while the sum is 57.

The spelling of 5171666872170 in words is "five trillion, one hundred seventy-one billion, six hundred sixty-six million, eight hundred seventy-two thousand, one hundred seventy".