106561011066 has 16 divisors (see below), whose sum is σ = 213135034944. Its totient is φ = 35518168224.

The previous prime is 106561011043. The next prime is 106561011119. The reversal of 106561011066 is 660110165601.

It is a super-2 number, since 2×106561011066² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 434086 + ... + 633681.

It is an arithmetic number, because the mean of its divisors is an integer number (13320939684).

Almost surely, 2^106561011066 is an apocalyptic number.

106561011066 is an abundant number, since it is smaller than the sum of its proper divisors (106574023878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

106561011066 is a wasteful number, since it uses less digits than its factorization.

106561011066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084405.

The product of its (nonzero) digits is 6480, while the sum is 33.

Adding to 106561011066 its reverse (660110165601), we get a palindrome (766671176667).

The spelling of 106561011066 in words is "one hundred six billion, five hundred sixty-one million, eleven thousand, sixty-six".