160489021 has 8 divisors (see below), whose sum is σ = 200090304. Its totient is φ = 125056320.

The previous prime is 160489013. The next prime is 160489031. The reversal of 160489021 is 120984061.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 160489021 - 2³ = 160489013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160489001) 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, 1042060 + ... + 1042213.

It is an arithmetic number, because the mean of its divisors is an integer number (25011288).

Almost surely, 2^160489021 is an apocalyptic number.

160489021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

160489021 is a deficient number, since it is larger than the sum of its proper divisors (39601283).

160489021 is a wasteful number, since it uses less digits than its factorization.

160489021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2084291.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 160489021 is about 12668.4261453426. The cubic root of 160489021 is about 543.4360471334.

The spelling of 160489021 in words is "one hundred sixty million, four hundred eighty-nine thousand, twenty-one".