6604616387 has 2 divisors, whose sum is σ = 6604616388. Its totient is φ = 6604616386.

The previous prime is 6604616363. The next prime is 6604616407. The reversal of 6604616387 is 7836164066.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6604616387 - 2¹⁸ = 6604354243 is a prime.

It is not a weakly prime, because it can be changed into another prime (6604616357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3302308193 + 3302308194.

It is an arithmetic number, because the mean of its divisors is an integer number (3302308194).

Almost surely, 2^6604616387 is an apocalyptic number.

6604616387 is a deficient number, since it is larger than the sum of its proper divisors (1).

6604616387 is an equidigital number, since it uses as much as digits as its factorization.

6604616387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 47.

The square root of 6604616387 is about 81268.7909778409. The cubic root of 6604616387 is about 1876.2146925647.

The spelling of 6604616387 in words is "six billion, six hundred four million, six hundred sixteen thousand, three hundred eighty-seven".