660105107 has 8 divisors (see below), whose sum is σ = 665382432. Its totient is φ = 654840000.

The previous prime is 660105097. The next prime is 660105109. The reversal of 660105107 is 701501066.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 660105107 - 2¹⁶ = 660039571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (660105109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126857 + ... + 131957.

It is an arithmetic number, because the mean of its divisors is an integer number (83172804).

Almost surely, 2^660105107 is an apocalyptic number.

660105107 is a deficient number, since it is larger than the sum of its proper divisors (5277325).

660105107 is a wasteful number, since it uses less digits than its factorization.

660105107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6109.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 660105107 is about 25692.5107181062. The cubic root of 660105107 is about 870.7049850132.

It can be divided in two parts, 66010 and 5107, that added together give a palindrome (71117).

The spelling of 660105107 in words is "six hundred sixty million, one hundred five thousand, one hundred seven".