6650001607 has 2 divisors, whose sum is σ = 6650001608. Its totient is φ = 6650001606.

The previous prime is 6650001599. The next prime is 6650001641. The reversal of 6650001607 is 7061000566.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6650001607 - 2³ = 6650001599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6650001647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3325000803 + 3325000804.

It is an arithmetic number, because the mean of its divisors is an integer number (3325000804).

Almost surely, 2^6650001607 is an apocalyptic number.

6650001607 is a deficient number, since it is larger than the sum of its proper divisors (1).

6650001607 is an equidigital number, since it uses as much as digits as its factorization.

6650001607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 6650001607 is about 81547.5420046490. The cubic root of 6650001607 is about 1880.5025070448.

The spelling of 6650001607 in words is "six billion, six hundred fifty million, one thousand, six hundred seven".