160171440 has 240 divisors, whose sum is σ = 588176640. Its totient is φ = 35742720.

The previous prime is 160171439. The next prime is 160171447. The reversal of 160171440 is 44171061.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 160171440.

It is not an unprimeable number, because it can be changed into a prime (160171447) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 445981 + ... + 446339.

It is an arithmetic number, because the mean of its divisors is an integer number (2450736).

Almost surely, 2^160171440 is an apocalyptic number.

160171440 is a gapful number since it is divisible by the number (10) 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 160171440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294088320).

160171440 is an abundant number, since it is smaller than the sum of its proper divisors (428005200).

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

160171440 is a wasteful number, since it uses less digits than its factorization.

160171440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412 (or 393 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 160171440 is about 12655.8855873463. The cubic root of 160171440 is about 543.0773540040.

The spelling of 160171440 in words is "one hundred sixty million, one hundred seventy-one thousand, four hundred forty".