160872889 has 8 divisors (see below), whose sum is σ = 170480520. Its totient is φ = 151536000.

The previous prime is 160872883. The next prime is 160872893. The reversal of 160872889 is 988278061.

It can be written as a sum of positive squares in 4 ways, for example, as 7112889 + 153760000 = 2667^2 + 12400^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 160872889 - 2¹¹ = 160870841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (160872883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66462 + ... + 68839.

It is an arithmetic number, because the mean of its divisors is an integer number (21310065).

Almost surely, 2^160872889 is an apocalyptic number.

It is an amenable number.

160872889 is a deficient number, since it is larger than the sum of its proper divisors (9607631).

160872889 is a wasteful number, since it uses less digits than its factorization.

160872889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135371.

The product of its (nonzero) digits is 387072, while the sum is 49.

The square root of 160872889 is about 12683.5676763283. The cubic root of 160872889 is about 543.8689772854.

The spelling of 160872889 in words is "one hundred sixty million, eight hundred seventy-two thousand, eight hundred eighty-nine".