616320621113420 has 24 divisors (see below), whose sum is σ = 1294433308795200. Its totient is φ = 246497771405952.

The previous prime is 616320621113383. The next prime is 616320621113453. The reversal of 616320621113420 is 24311126023616.

It is a super-2 number, since 2×616320621113420² (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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1904649140 + ... + 1904972699.

It is an arithmetic number, because the mean of its divisors is an integer number (53934721199800).

Almost surely, 2^{616320621113420} is an apocalyptic number.

It is an amenable number.

616320621113420 is an abundant number, since it is smaller than the sum of its proper divisors (678112687681780).

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

616320621113420 is a wasteful number, since it uses less digits than its factorization.

616320621113420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3809629937 (or 3809629935 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The spelling of 616320621113420 in words is "six hundred sixteen trillion, three hundred twenty billion, six hundred twenty-one million, one hundred thirteen thousand, four hundred twenty".