171942912 has 132 divisors (see below), whose sum is σ = 515614736. Its totient is φ = 57231360.

The previous prime is 171942907. The next prime is 171942931. The reversal of 171942912 is 219249171.

171942912 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 248487 + ... + 249177.

Almost surely, 2^171942912 is an apocalyptic number.

171942912 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 171942912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257807368).

171942912 is an abundant number, since it is smaller than the sum of its proper divisors (343671824).

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

171942912 is an frugal number, since it uses more digits than its factorization.

171942912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726 (or 696 counting only the distinct ones).

The product of its digits is 9072, while the sum is 36.

The square root of 171942912 is about 13112.7004083827. The cubic root of 171942912 is about 556.0682420594.

The spelling of 171942912 in words is "one hundred seventy-one million, nine hundred forty-two thousand, nine hundred twelve".