1616422725056 has 14 divisors (see below), whose sum is σ = 3207588845160. Its totient is φ = 808211362496.

The previous prime is 1616422725041. The next prime is 1616422725059. The reversal of 1616422725056 is 6505272246161.

It is a super-2 number, since 2×1616422725056² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1616422725056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1616422725059) 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 as a sum of consecutive naturals, namely, 12628302476 + ... + 12628302603.

It is an arithmetic number, because the mean of its divisors is an integer number (229113488940).

Almost surely, 2^{1616422725056} is an apocalyptic number.

1616422725056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1616422725056 is a deficient number, since it is larger than the sum of its proper divisors (1591166120104).

1616422725056 is an equidigital number, since it uses as much as digits as its factorization.

1616422725056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25256605091 (or 25256605081 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 47.

The spelling of 1616422725056 in words is "one trillion, six hundred sixteen billion, four hundred twenty-two million, seven hundred twenty-five thousand, fifty-six".