320164208004 has 24 divisors (see below), whose sum is σ = 747059066208. Its totient is φ = 106720081600.

The previous prime is 320164208003. The next prime is 320164208017. The reversal of 320164208004 is 400802461023.

It is not an unprimeable number, because it can be changed into a prime (320164208003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1595704 + ... + 1785104.

It is an arithmetic number, because the mean of its divisors is an integer number (31127461092).

Almost surely, 2^320164208004 is an apocalyptic number.

It is an amenable number.

320164208004 is an abundant number, since it is smaller than the sum of its proper divisors (426894858204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320164208004 is a wasteful number, since it uses less digits than its factorization.

320164208004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330275 (or 330273 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 320164208004 its reverse (400802461023), we get a palindrome (720966669027).

The spelling of 320164208004 in words is "three hundred twenty billion, one hundred sixty-four million, two hundred eight thousand, four".