160849728 has 84 divisors (see below), whose sum is σ = 496534948. Its totient is φ = 49489920.

The previous prime is 160849721. The next prime is 160849757. The reversal of 160849728 is 827948061.

It can be written as a sum of positive squares in 2 ways, for example, as 67765824 + 93083904 = 8232^2 + 9648^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160849721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3253 + ... + 18228.

Almost surely, 2^160849728 is an apocalyptic number.

160849728 is a gapful number since it is divisible by the number (18) 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 160849728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248267474).

160849728 is an abundant number, since it is smaller than the sum of its proper divisors (335685220).

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

160849728 is a wasteful number, since it uses less digits than its factorization.

160849728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21512 (or 21499 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 160849728 is about 12682.6546117128. The cubic root of 160849728 is about 543.8428756138.

The spelling of 160849728 in words is "one hundred sixty million, eight hundred forty-nine thousand, seven hundred twenty-eight".