616570116552 has 96 divisors (see below), whose sum is σ = 1798479391800. Its totient is φ = 189698070528.

The previous prime is 616570116479. The next prime is 616570116557. The reversal of 616570116552 is 255611075616.

It is a happy number.

616570116552 is a `hidden beast` number, since 6 + 1 + 6 + 570 + 11 + 65 + 5 + 2 = 666.

616570116552 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 610095339396 + 6474777156 = 781086^2 + 80466^2 .

It is a junction number, because it is equal to n+sod(n) for n = 616570116498 and 616570116507.

It is not an unprimeable number, because it can be changed into a prime (616570116557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16560774 + ... + 16597962.

Almost surely, 2^616570116552 is an apocalyptic number.

It is an amenable number.

616570116552 is an abundant number, since it is smaller than the sum of its proper divisors (1181909275248).

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

616570116552 is a wasteful number, since it uses less digits than its factorization.

616570116552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54927 (or 54920 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 45.

The spelling of 616570116552 in words is "six hundred sixteen billion, five hundred seventy million, one hundred sixteen thousand, five hundred fifty-two".