616311113617 has 2 divisors, whose sum is σ = 616311113618. Its totient is φ = 616311113616.

The previous prime is 616311113609. The next prime is 616311113629. The reversal of 616311113617 is 716311113616.

616311113617 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 602368463376 + 13942650241 = 776124^2 + 118079^2 .

It is a cyclic number.

It is not a de Polignac number, because 616311113617 - 2³ = 616311113609 is a prime.

It is a super-3 number, since 3×616311113617³ (a number of 36 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (616311113417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308155556808 + 308155556809.

It is an arithmetic number, because the mean of its divisors is an integer number (308155556809).

Almost surely, 2^616311113617 is an apocalyptic number.

It is an amenable number.

616311113617 is a deficient number, since it is larger than the sum of its proper divisors (1).

616311113617 is an equidigital number, since it uses as much as digits as its factorization.

616311113617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 37.

Subtracting 616311113617 from its reverse (716311113616), we obtain a palindrome (99999999999).

The spelling of 616311113617 in words is "six hundred sixteen billion, three hundred eleven million, one hundred thirteen thousand, six hundred seventeen".