660325105 has 32 divisors (see below), whose sum is σ = 878387328. Its totient is φ = 472550400.

The previous prime is 660325103. The next prime is 660325139. The reversal of 660325105 is 501523066.

It is not a de Polignac number, because 660325105 - 2¹ = 660325103 is a prime.

It is a super-2 number, since 2×660325105² = 872058488586522050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (660325103) 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 in 31 ways as a sum of consecutive naturals, for example, 1124622 + ... + 1125208.

It is an arithmetic number, because the mean of its divisors is an integer number (27449604).

Almost surely, 2^660325105 is an apocalyptic number.

It is an amenable number.

660325105 is a deficient number, since it is larger than the sum of its proper divisors (218062223).

660325105 is a wasteful number, since it uses less digits than its factorization.

660325105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 660325105 is about 25696.7917258167. The cubic root of 660325105 is about 870.8017029839.

The spelling of 660325105 in words is "six hundred sixty million, three hundred twenty-five thousand, one hundred five".