171122666260 has 96 divisors (see below), whose sum is σ = 443861574912. Its totient is φ = 53964610560.

The previous prime is 171122666257. The next prime is 171122666269. The reversal of 171122666260 is 62666221171.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171122666269) 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, 344119 + ... + 678721.

It is an arithmetic number, because the mean of its divisors is an integer number (4623558072).

Almost surely, 2^171122666260 is an apocalyptic number.

171122666260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 171122666260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221930787456).

171122666260 is an abundant number, since it is smaller than the sum of its proper divisors (272738908652).

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

171122666260 is a wasteful number, since it uses less digits than its factorization.

171122666260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334913 (or 334911 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 171122666260 in words is "one hundred seventy-one billion, one hundred twenty-two million, six hundred sixty-six thousand, two hundred sixty".