171832693242 has 24 divisors (see below), whose sum is σ = 399774021696. Its totient is φ = 49095055128.

The previous prime is 171832693231. The next prime is 171832693271. The reversal of 171832693242 is 242396238171.

It is a junction number, because it is equal to n+sod(n) for n = 171832693191 and 171832693200.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 292232178 + ... + 292232765.

It is an arithmetic number, because the mean of its divisors is an integer number (16657250904).

Almost surely, 2^171832693242 is an apocalyptic number.

171832693242 is an abundant number, since it is smaller than the sum of its proper divisors (227941328454).

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

171832693242 is a wasteful number, since it uses less digits than its factorization.

171832693242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584464962 (or 584464955 counting only the distinct ones).

The product of its digits is 870912, while the sum is 48.

The spelling of 171832693242 in words is "one hundred seventy-one billion, eight hundred thirty-two million, six hundred ninety-three thousand, two hundred forty-two".