320363010561616 has 20 divisors (see below), whose sum is σ = 677130908687424. Its totient is φ = 145619550255200.

The previous prime is 320363010561613. The next prime is 320363010561691. The reversal of 320363010561616 is 616165010363023.

It is a happy number.

It is a super-2 number, since 2×320363010561616² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320363010561613) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 910122188920 + ... + 910122189271.

Almost surely, 2^{320363010561616} is an apocalyptic number.

It is an amenable number.

320363010561616 is an abundant number, since it is smaller than the sum of its proper divisors (356767898125808).

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

320363010561616 is a wasteful number, since it uses less digits than its factorization.

320363010561616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1820244378210 (or 1820244378204 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 43.

The spelling of 320363010561616 in words is "three hundred twenty trillion, three hundred sixty-three billion, ten million, five hundred sixty-one thousand, six hundred sixteen".