171555230396 has 24 divisors (see below), whose sum is σ = 327527114544. Its totient is φ = 77976654080.

The previous prime is 171555230393. The next prime is 171555230411. The reversal of 171555230396 is 693032555171.

171555230396 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 171555230396.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171555230393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1417316 + ... + 1533588.

It is an arithmetic number, because the mean of its divisors is an integer number (13646963106).

Almost surely, 2^171555230396 is an apocalyptic number.

It is an amenable number.

171555230396 is a deficient number, since it is larger than the sum of its proper divisors (155971884148).

171555230396 is a wasteful number, since it uses less digits than its factorization.

171555230396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149821 (or 149819 counting only the distinct ones).

The product of its (nonzero) digits is 850500, while the sum is 47.

The spelling of 171555230396 in words is "one hundred seventy-one billion, five hundred fifty-five million, two hundred thirty thousand, three hundred ninety-six".