616172611 has 2 divisors, whose sum is σ = 616172612. Its totient is φ = 616172610.

The previous prime is 616172597. The next prime is 616172617. The reversal of 616172611 is 116271616.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 616172611 - 2¹¹ = 616170563 is a prime.

It is not a weakly prime, because it can be changed into another prime (616172617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308086305 + 308086306.

It is an arithmetic number, because the mean of its divisors is an integer number (308086306).

Almost surely, 2^616172611 is an apocalyptic number.

616172611 is a deficient number, since it is larger than the sum of its proper divisors (1).

616172611 is an equidigital number, since it uses as much as digits as its factorization.

616172611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 31.

The square root of 616172611 is about 24822.8243961077. The cubic root of 616172611 is about 850.9436399060.

The spelling of 616172611 in words is "six hundred sixteen million, one hundred seventy-two thousand, six hundred eleven".