160389481 has 8 divisors (see below), whose sum is σ = 185362560. Its totient is φ = 135931488.

The previous prime is 160389451. The next prime is 160389503. The reversal of 160389481 is 184983061.

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

It is a de Polignac number, because none of the positive numbers 2^k-160389481 is a prime.

It is a super-2 number, since 2×160389481² = 51449571230898722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (160389451) 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, 128101 + ... + 129346.

It is an arithmetic number, because the mean of its divisors is an integer number (23170320).

Almost surely, 2^160389481 is an apocalyptic number.

It is an amenable number.

160389481 is a deficient number, since it is larger than the sum of its proper divisors (24973079).

160389481 is an equidigital number, since it uses as much as digits as its factorization.

160389481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257543.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 160389481 is about 12664.4968711749. The cubic root of 160389481 is about 543.3236722367.

The spelling of 160389481 in words is "one hundred sixty million, three hundred eighty-nine thousand, four hundred eighty-one".