320169622472 has 36 divisors (see below), whose sum is σ = 698353586955. Its totient is φ = 137210751216.

The previous prime is 320169622471. The next prime is 320169622501. The reversal of 320169622472 is 274226961023.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 160084811236 + 160084811236 = 400106^2 + 400106^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=400106.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320169622471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 11188679 + ... + 11217257.

Almost surely, 2^320169622472 is an apocalyptic number.

It is an amenable number.

320169622472 is an abundant number, since it is smaller than the sum of its proper divisors (378183964483).

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

320169622472 is an frugal number, since it uses more digits than its factorization.

320169622472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57178 (or 28588 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 44.

The spelling of 320169622472 in words is "three hundred twenty billion, one hundred sixty-nine million, six hundred twenty-two thousand, four hundred seventy-two".