616419561344 has 16 divisors (see below), whose sum is σ = 1228023345120. Its totient is φ = 308209780608.

The previous prime is 616419561341. The next prime is 616419561379. The reversal of 616419561344 is 443165914616.

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 616419561292 and 616419561301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616419561341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2407888784 + ... + 2407889039.

It is an arithmetic number, because the mean of its divisors is an integer number (76751459070).

Almost surely, 2^616419561344 is an apocalyptic number.

616419561344 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

616419561344 is a deficient number, since it is larger than the sum of its proper divisors (611603783776).

616419561344 is an equidigital number, since it uses as much as digits as its factorization.

616419561344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4815777837 (or 4815777825 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 50.

The spelling of 616419561344 in words is "six hundred sixteen billion, four hundred nineteen million, five hundred sixty-one thousand, three hundred forty-four".