160066405 has 4 divisors (see below), whose sum is σ = 192079692. Its totient is φ = 128053120.

The previous prime is 160066381. The next prime is 160066409. The reversal of 160066405 is 504660061.

160066405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 504660061 = 1447 ⋅348763.

It can be written as a sum of positive squares in 2 ways, for example, as 37344321 + 122722084 = 6111^2 + 11078^2 .

It is not a de Polignac number, because 160066405 - 2¹⁷ = 159935333 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 (160066409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16006636 + ... + 16006645.

It is an arithmetic number, because the mean of its divisors is an integer number (48019923).

Almost surely, 2^160066405 is an apocalyptic number.

It is an amenable number.

160066405 is a deficient number, since it is larger than the sum of its proper divisors (32013287).

160066405 is an equidigital number, since it uses as much as digits as its factorization.

160066405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32013286.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 160066405 is about 12651.7352564777. The cubic root of 160066405 is about 542.9586174736.

The spelling of 160066405 in words is "one hundred sixty million, sixty-six thousand, four hundred five".