171325616 has 80 divisors (see below), whose sum is σ = 421044480. Its totient is φ = 65591040.

The previous prime is 171325613. The next prime is 171325619. The reversal of 171325616 is 616523171.

171325616 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (171325613) and next prime (171325619).

It is not an unprimeable number, because it can be changed into a prime (171325613) 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, 71510 + ... + 73866.

It is an arithmetic number, because the mean of its divisors is an integer number (5263056).

Almost surely, 2^171325616 is an apocalyptic number.

171325616 is a gapful number since it is divisible by the number (16) 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 171325616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210522240).

171325616 is an abundant number, since it is smaller than the sum of its proper divisors (249718864).

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

171325616 is a wasteful number, since it uses less digits than its factorization.

171325616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2442 (or 2436 counting only the distinct ones).

The product of its digits is 7560, while the sum is 32.

The square root of 171325616 is about 13089.1411482954. The cubic root of 171325616 is about 555.4019932078.

Adding to 171325616 its reverse (616523171), we get a palindrome (787848787).

The spelling of 171325616 in words is "one hundred seventy-one million, three hundred twenty-five thousand, six hundred sixteen".