106565066605 has 8 divisors (see below), whose sum is σ = 129974442264. Its totient is φ = 83854478400.

The previous prime is 106565066567. The next prime is 106565066639. The reversal of 106565066605 is 506660565601.

It can be written as a sum of positive squares in 4 ways, for example, as 3561941124 + 103003125481 = 59682^2 + 320941^2 .

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

It is not a de Polignac number, because 106565066605 - 2⁷ = 106565066477 is a prime.

It is a super-2 number, since 2×106565066605² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent 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, 174696526 + ... + 174697135.

It is an arithmetic number, because the mean of its divisors is an integer number (16246805283).

Almost surely, 2^106565066605 is an apocalyptic number.

It is an amenable number.

106565066605 is a deficient number, since it is larger than the sum of its proper divisors (23409375659).

106565066605 is an equidigital number, since it uses as much as digits as its factorization.

106565066605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349393727.

The product of its (nonzero) digits is 972000, while the sum is 46.

The spelling of 106565066605 in words is "one hundred six billion, five hundred sixty-five million, sixty-six thousand, six hundred five".