171172048 has 40 divisors (see below), whose sum is σ = 359742600. Its totient is φ = 78581760.

The previous prime is 171172019. The next prime is 171172051. The reversal of 171172048 is 840271171.

It can be written as a sum of positive squares in 4 ways, for example, as 5071504 + 166100544 = 2252^2 + 12888^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3478 + ... + 18826.

It is an arithmetic number, because the mean of its divisors is an integer number (8993565).

Almost surely, 2^171172048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 171172048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179871300).

171172048 is an abundant number, since it is smaller than the sum of its proper divisors (188570552).

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

171172048 is a wasteful number, since it uses less digits than its factorization.

171172048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15415 (or 15409 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 31.

The square root of 171172048 is about 13083.2735964666. The cubic root of 171172048 is about 555.2359984355.

The spelling of 171172048 in words is "one hundred seventy-one million, one hundred seventy-two thousand, forty-eight".