106566561107 has 4 divisors (see below), whose sum is σ = 106794755496. Its totient is φ = 106338366720.

The previous prime is 106566561071. The next prime is 106566561133. The reversal of 106566561107 is 701165665601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 106566561107 - 2¹⁰ = 106566560083 is a prime.

It is a super-2 number, since 2×106566561107² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106566561197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114096494 + ... + 114097427.

It is an arithmetic number, because the mean of its divisors is an integer number (26698688874).

Almost surely, 2^106566561107 is an apocalyptic number.

106566561107 is a deficient number, since it is larger than the sum of its proper divisors (228194389).

106566561107 is an equidigital number, since it uses as much as digits as its factorization.

106566561107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228194388.

The product of its (nonzero) digits is 226800, while the sum is 44.

The spelling of 106566561107 in words is "one hundred six billion, five hundred sixty-six million, five hundred sixty-one thousand, one hundred seven".