171215061286146 has 16 divisors (see below), whose sum is σ = 344053014151008. Its totient is φ = 56801205165600.

The previous prime is 171215061286097. The next prime is 171215061286279. The reversal of 171215061286146 is 641682160512171.

It is a super-2 number, since 2×171215061286146² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67620481075 + ... + 67620483606.

It is an arithmetic number, because the mean of its divisors is an integer number (21503313384438).

Almost surely, 2^{171215061286146} is an apocalyptic number.

171215061286146 is an abundant number, since it is smaller than the sum of its proper divisors (172837952864862).

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

171215061286146 is a wasteful number, since it uses less digits than its factorization.

171215061286146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135240964897.

The product of its (nonzero) digits is 967680, while the sum is 51.

The spelling of 171215061286146 in words is "one hundred seventy-one trillion, two hundred fifteen billion, sixty-one million, two hundred eighty-six thousand, one hundred forty-six".