160028405 has 8 divisors (see below), whose sum is σ = 192375000. Its totient is φ = 127795456.

The previous prime is 160028389. The next prime is 160028513. The reversal of 160028405 is 504820061.

It can be written as a sum of positive squares in 4 ways, for example, as 23746129 + 136282276 = 4873^2 + 11674^2 .

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 160028405 - 2⁴ = 160028389 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25280 + ... + 30969.

It is an arithmetic number, because the mean of its divisors is an integer number (24046875).

Almost surely, 2^160028405 is an apocalyptic number.

It is an amenable number.

160028405 is a deficient number, since it is larger than the sum of its proper divisors (32346595).

160028405 is an equidigital number, since it uses as much as digits as its factorization.

160028405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56823.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 160028405 is about 12650.2333970564. The cubic root of 160028405 is about 542.9156476815.

Adding to 160028405 its reverse (504820061), we get a palindrome (664848466).

The spelling of 160028405 in words is "one hundred sixty million, twenty-eight thousand, four hundred five".