320164812 has 60 divisors (see below), whose sum is σ = 913072776. Its totient is φ = 97018560.

The previous prime is 320164771. The next prime is 320164813. The reversal of 320164812 is 218461023.

320164812 is a `hidden beast` number, since 3 + 2 + 0 + 1 + 648 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (320164813) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 41353 + ... + 48480.

Almost surely, 2^320164812 is an apocalyptic number.

It is an amenable number.

320164812 is an abundant number, since it is smaller than the sum of its proper divisors (592907964).

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

320164812 is a wasteful number, since it uses less digits than its factorization.

320164812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89860 (or 89849 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 320164812 is about 17893.1498624474. The cubic root of 320164812 is about 684.1077854149.

The spelling of 320164812 in words is "three hundred twenty million, one hundred sixty-four thousand, eight hundred twelve".