160420813 has 8 divisors (see below), whose sum is σ = 183417728. Its totient is φ = 137443824.

The previous prime is 160420807. The next prime is 160420817. The reversal of 160420813 is 318024061.

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-160420813 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 (160420817) 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 7 ways as a sum of consecutive naturals, for example, 22120 + ... + 28462.

It is an arithmetic number, because the mean of its divisors is an integer number (22927216).

Almost surely, 2^160420813 is an apocalyptic number.

It is an amenable number.

160420813 is a deficient number, since it is larger than the sum of its proper divisors (22996915).

160420813 is an equidigital number, since it uses as much as digits as its factorization.

160420813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9963.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 160420813 is about 12665.7338121405. The cubic root of 160420813 is about 543.3590492636.

Adding to 160420813 its reverse (318024061), we get a palindrome (478444874).

The spelling of 160420813 in words is "one hundred sixty million, four hundred twenty thousand, eight hundred thirteen".