616323611 has 2 divisors, whose sum is σ = 616323612. Its totient is φ = 616323610.

The previous prime is 616323607. The next prime is 616323619. The reversal of 616323611 is 116323616.

It is a happy number.

616323611 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 is a cyclic number.

It is not a de Polignac number, because 616323611 - 2² = 616323607 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (616323619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308161805 + 308161806.

It is an arithmetic number, because the mean of its divisors is an integer number (308161806).

Almost surely, 2^616323611 is an apocalyptic number.

616323611 is a deficient number, since it is larger than the sum of its proper divisors (1).

616323611 is an equidigital number, since it uses as much as digits as its factorization.

616323611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 29.

The square root of 616323611 is about 24825.8657653666. The cubic root of 616323611 is about 851.0131453187.

The spelling of 616323611 in words is "six hundred sixteen million, three hundred twenty-three thousand, six hundred eleven".