171643428084 has 48 divisors (see below), whose sum is σ = 424409832000. Its totient is φ = 53839397376.

The previous prime is 171643428083. The next prime is 171643428139. The reversal of 171643428084 is 480824346171.

It is a super-2 number, since 2×171643428084² (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 15 ways as a sum of consecutive naturals, for example, 2492277 + ... + 2560220.

It is an arithmetic number, because the mean of its divisors is an integer number (8841871500).

Almost surely, 2^171643428084 is an apocalyptic number.

It is an amenable number.

171643428084 is an abundant number, since it is smaller than the sum of its proper divisors (252766403916).

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

171643428084 is a wasteful number, since it uses less digits than its factorization.

171643428084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5052672 (or 5052670 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 48.

The spelling of 171643428084 in words is "one hundred seventy-one billion, six hundred forty-three million, four hundred twenty-eight thousand, eighty-four".