160346421 has 12 divisors (see below), whose sum is σ = 231731500. Its totient is φ = 106842240.

The previous prime is 160346413. The next prime is 160346503. The reversal of 160346421 is 124643061.

160346421 is a `hidden beast` number, since 16 + 0 + 3 + 4 + 642 + 1 = 666.

160346421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 90440100 + 69906321 = 9510^2 + 8361^2 .

It is not a de Polignac number, because 160346421 - 2³ = 160346413 is a prime.

It is a super-3 number, since 3×160346421³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160346321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21501 + ... + 27981.

Almost surely, 2^160346421 is an apocalyptic number.

It is an amenable number.

160346421 is a deficient number, since it is larger than the sum of its proper divisors (71385079).

160346421 is a wasteful number, since it uses less digits than its factorization.

160346421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9236 (or 9233 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 160346421 is about 12662.7967290011. The cubic root of 160346421 is about 543.2750455829.

Adding to 160346421 its reverse (124643061), we get a palindrome (284989482).

The spelling of 160346421 in words is "one hundred sixty million, three hundred forty-six thousand, four hundred twenty-one".