616559481263 has 12 divisors (see below), whose sum is σ = 677920557384. Its totient is φ = 560331063600.

The previous prime is 616559481259. The next prime is 616559481283. The reversal of 616559481263 is 362184955616.

It is not a de Polignac number, because 616559481263 - 2² = 616559481259 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 616559481199 and 616559481208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616559481233) 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 11 ways as a sum of consecutive naturals, for example, 422768 + ... + 1188213.

It is an arithmetic number, because the mean of its divisors is an integer number (56493379782).

Almost surely, 2^616559481263 is an apocalyptic number.

616559481263 is a deficient number, since it is larger than the sum of its proper divisors (61361076121).

616559481263 is a wasteful number, since it uses less digits than its factorization.

616559481263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614166 (or 1614155 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 56.

The spelling of 616559481263 in words is "six hundred sixteen billion, five hundred fifty-nine million, four hundred eighty-one thousand, two hundred sixty-three".