171643428088 has 32 divisors (see below), whose sum is σ = 353990412720. Its totient is φ = 78019735200.

The previous prime is 171643428083. The next prime is 171643428139. The reversal of 171643428088 is 880824346171.

It is a super-2 number, since 2×171643428088² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171643428083) 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, 8049243 + ... + 8070538.

Almost surely, 2^171643428088 is an apocalyptic number.

It is an amenable number.

171643428088 is an abundant number, since it is smaller than the sum of its proper divisors (182346984632).

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

171643428088 is a wasteful number, since it uses less digits than its factorization.

171643428088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16119820 (or 16119794 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 52.

The spelling of 171643428088 in words is "one hundred seventy-one billion, six hundred forty-three million, four hundred twenty-eight thousand, eighty-eight".