160312004 has 12 divisors (see below), whose sum is σ = 280758828. Its totient is φ = 80095200.

The previous prime is 160312003. The next prime is 160312021. The reversal of 160312004 is 400213061.

It can be written as a sum of positive squares in 2 ways, for example, as 126112900 + 34199104 = 11230^2 + 5848^2 .

It is not an unprimeable number, because it can be changed into a prime (160312003) 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, 8987 + ... + 20034.

It is an arithmetic number, because the mean of its divisors is an integer number (23396569).

Almost surely, 2^160312004 is an apocalyptic number.

It is an amenable number.

160312004 is a deficient number, since it is larger than the sum of its proper divisors (120446824).

160312004 is a wasteful number, since it uses less digits than its factorization.

160312004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30406 (or 30404 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 160312004 is about 12661.4376750826. The cubic root of 160312004 is about 543.2361730072.

Adding to 160312004 its reverse (400213061), we get a palindrome (560525065).

The spelling of 160312004 in words is "one hundred sixty million, three hundred twelve thousand, four".