171608442312 has 32 divisors (see below), whose sum is σ = 430124011200. Its totient is φ = 57055760064.

The previous prime is 171608442289. The next prime is 171608442337. The reversal of 171608442312 is 213244806171.

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, 9181348 + ... + 9200019.

It is an arithmetic number, because the mean of its divisors is an integer number (13441375350).

Almost surely, 2^171608442312 is an apocalyptic number.

171608442312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

171608442312 is an abundant number, since it is smaller than the sum of its proper divisors (258515568888).

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

171608442312 is a wasteful number, since it uses less digits than its factorization.

171608442312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18381765 (or 18381761 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The spelling of 171608442312 in words is "one hundred seventy-one billion, six hundred eight million, four hundred forty-two thousand, three hundred twelve".