616006697 has 2 divisors, whose sum is σ = 616006698. Its totient is φ = 616006696.

The previous prime is 616006649. The next prime is 616006751. The reversal of 616006697 is 796600616.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 581243881 + 34762816 = 24109^2 + 5896^2 .

It is a cyclic number.

It is not a de Polignac number, because 616006697 - 2¹⁰ = 616005673 is a prime.

It is not a weakly prime, because it can be changed into another prime (616006627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308003348 + 308003349.

It is an arithmetic number, because the mean of its divisors is an integer number (308003349).

Almost surely, 2^616006697 is an apocalyptic number.

It is an amenable number.

616006697 is a deficient number, since it is larger than the sum of its proper divisors (1).

616006697 is an equidigital number, since it uses as much as digits as its factorization.

616006697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 616006697 is about 24819.4822065248. The cubic root of 616006697 is about 850.8672564736.

The spelling of 616006697 in words is "six hundred sixteen million, six thousand, six hundred ninety-seven".