660105007 has 2 divisors, whose sum is σ = 660105008. Its totient is φ = 660105006.

The previous prime is 660104999. The next prime is 660105013. The reversal of 660105007 is 700501066.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 660105007 - 2³ = 660104999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (660105067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330052503 + 330052504.

It is an arithmetic number, because the mean of its divisors is an integer number (330052504).

Almost surely, 2^660105007 is an apocalyptic number.

660105007 is a deficient number, since it is larger than the sum of its proper divisors (1).

660105007 is an equidigital number, since it uses as much as digits as its factorization.

660105007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 660105007 is about 25692.5087720137. The cubic root of 660105007 is about 870.7049410452.

It can be divided in two parts, 66010 and 5007, that added together give a palindrome (71017).

The spelling of 660105007 in words is "six hundred sixty million, one hundred five thousand, seven".