160885989 has 24 divisors (see below), whose sum is σ = 264543552. Its totient is φ = 93265920.

The previous prime is 160885987. The next prime is 160885993. The reversal of 160885989 is 989588061.

It is not a de Polignac number, because 160885989 - 2¹ = 160885987 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160885981) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33052 + ... + 37605.

It is an arithmetic number, because the mean of its divisors is an integer number (11022648).

Almost surely, 2^160885989 is an apocalyptic number.

It is an amenable number.

160885989 is a deficient number, since it is larger than the sum of its proper divisors (103657563).

160885989 is a wasteful number, since it uses less digits than its factorization.

160885989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70697 (or 70694 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 54.

The square root of 160885989 is about 12684.0840820297. The cubic root of 160885989 is about 543.8837394376.

The spelling of 160885989 in words is "one hundred sixty million, eight hundred eighty-five thousand, nine hundred eighty-nine".