320144625304516 has 24 divisors (see below), whose sum is σ = 560431629313920. Its totient is φ = 160021306368672.

The previous prime is 320144625304499. The next prime is 320144625304549. The reversal of 320144625304516 is 615403526441023.

It is a super-2 number, since 2×320144625304516² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354012615 + ... + 354915793.

It is an arithmetic number, because the mean of its divisors is an integer number (23351317888080).

Almost surely, 2^{320144625304516} is an apocalyptic number.

It is an amenable number.

320144625304516 is a deficient number, since it is larger than the sum of its proper divisors (240287004009404).

320144625304516 is a wasteful number, since it uses less digits than its factorization.

320144625304516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931323 (or 931321 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 46.

The spelling of 320144625304516 in words is "three hundred twenty trillion, one hundred forty-four billion, six hundred twenty-five million, three hundred four thousand, five hundred sixteen".