160421333 has 4 divisors (see below), whose sum is σ = 169857900. Its totient is φ = 150984768.

The previous prime is 160421329. The next prime is 160421363. The reversal of 160421333 is 333124061.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45995524 + 114425809 = 6782^2 + 10697^2 .

It is a cyclic number.

It is not a de Polignac number, because 160421333 - 2² = 160421329 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 160421299 and 160421308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160421323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4718258 + ... + 4718291.

It is an arithmetic number, because the mean of its divisors is an integer number (42464475).

Almost surely, 2^160421333 is an apocalyptic number.

It is an amenable number.

160421333 is a deficient number, since it is larger than the sum of its proper divisors (9436567).

160421333 is an equidigital number, since it uses as much as digits as its factorization.

160421333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9436566.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 160421333 is about 12665.7543399515. The cubic root of 160421333 is about 543.3596363578.

Adding to 160421333 its reverse (333124061), we get a palindrome (493545394).

The spelling of 160421333 in words is "one hundred sixty million, four hundred twenty-one thousand, three hundred thirty-three".