171897003552 has 96 divisors (see below), whose sum is σ = 455995177344. Its totient is φ = 56696832000.

The previous prime is 171897003539. The next prime is 171897003559. The reversal of 171897003552 is 255300798171.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (171897003559) 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, 3702402 + ... + 3748542.

It is an arithmetic number, because the mean of its divisors is an integer number (4749949764).

Almost surely, 2^171897003552 is an apocalyptic number.

171897003552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 171897003552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227997588672).

171897003552 is an abundant number, since it is smaller than the sum of its proper divisors (284098173792).

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

171897003552 is a wasteful number, since it uses less digits than its factorization.

171897003552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46562 (or 46554 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 48.

The spelling of 171897003552 in words is "one hundred seventy-one billion, eight hundred ninety-seven million, three thousand, five hundred fifty-two".