160420403 has 16 divisors (see below), whose sum is σ = 189756000. Its totient is φ = 133697280.

The previous prime is 160420397. The next prime is 160420417. The reversal of 160420403 is 304024061.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 160420403 - 2⁶ = 160420339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (160420433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17543 + ... + 25071.

It is an arithmetic number, because the mean of its divisors is an integer number (11859750).

Almost surely, 2^160420403 is an apocalyptic number.

160420403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

160420403 is a deficient number, since it is larger than the sum of its proper divisors (29335597).

160420403 is a wasteful number, since it uses less digits than its factorization.

160420403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7702.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 160420403 is about 12665.7176267277. The cubic root of 160420403 is about 543.3585863615.

Adding to 160420403 its reverse (304024061), we get a palindrome (464444464).

The spelling of 160420403 in words is "one hundred sixty million, four hundred twenty thousand, four hundred three".