160858489 has 9 divisors (see below), whose sum is σ = 176964879. Its totient is φ = 146108160.

The previous prime is 160858469. The next prime is 160858507. The reversal of 160858489 is 984858061.

The square root of 160858489 is 12683.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 127125625 + 33732864 = 11275^2 + 5808^2 .

It is not a de Polignac number, because 160858489 - 2⁷ = 160858361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (160858409) 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 8 ways as a sum of consecutive naturals, for example, 138937 + ... + 140089.

Almost surely, 2^160858489 is an apocalyptic number.

160858489 is the 12683-rd square number.

160858489 is the 6342-nd centered octagonal number.

It is an amenable number.

160858489 is a deficient number, since it is larger than the sum of its proper divisors (16106390).

160858489 is an frugal number, since it uses more digits than its factorization.

160858489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2328 (or 1164 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 49.

The cubic root of 160858489 is about 543.8527492621.

Multiplying 160858489 by its sum of digits (49), we get a square (7882065961 = 88781²).

The spelling of 160858489 in words is "one hundred sixty million, eight hundred fifty-eight thousand, four hundred eighty-nine".