171440992 has 12 divisors (see below), whose sum is σ = 337524516. Its totient is φ = 85720480.

The previous prime is 171440989. The next prime is 171441013. The reversal of 171440992 is 299044171.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2678734 + ... + 2678797.

It is an arithmetic number, because the mean of its divisors is an integer number (28127043).

Almost surely, 2^171440992 is an apocalyptic number.

It is an amenable number.

171440992 is a deficient number, since it is larger than the sum of its proper divisors (166083524).

171440992 is an equidigital number, since it uses as much as digits as its factorization.

171440992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5357541 (or 5357533 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 171440992 is about 13093.5477239746. The cubic root of 171440992 is about 555.5266402254.

The spelling of 171440992 in words is "one hundred seventy-one million, four hundred forty thousand, nine hundred ninety-two".