616285889972 has 6 divisors (see below), whose sum is σ = 1078500307458. Its totient is φ = 308142944984.

The previous prime is 616285889963. The next prime is 616285889993. The reversal of 616285889972 is 279988582616.

616285889972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 611592817936 + 4693072036 = 782044^2 + 68506^2 .

It is a junction number, because it is equal to n+sod(n) for n = 616285889896 and 616285889905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77035736243 + ... + 77035736250.

It is an arithmetic number, because the mean of its divisors is an integer number (179750051243).

Almost surely, 2^616285889972 is an apocalyptic number.

It is an amenable number.

616285889972 is a deficient number, since it is larger than the sum of its proper divisors (462214417486).

616285889972 is a wasteful number, since it uses less digits than its factorization.

616285889972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154071472497 (or 154071472495 counting only the distinct ones).

The product of its digits is 209018880, while the sum is 71.

The spelling of 616285889972 in words is "six hundred sixteen billion, two hundred eighty-five million, eight hundred eighty-nine thousand, nine hundred seventy-two".