106805669569 has 4 divisors (see below), whose sum is σ = 107906759044. Its totient is φ = 105704580096.

The previous prime is 106805669563. The next prime is 106805669629. The reversal of 106805669569 is 965966508601.

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

It can be written as a sum of positive squares in 2 ways, for example, as 71278320400 + 35527349169 = 266980^2 + 188487^2 .

It is a cyclic number.

It is not a de Polignac number, because 106805669569 - 2³ = 106805669561 is a prime.

It is a super-2 number, since 2×106805669569² (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 (106805669561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550544592 + ... + 550544785.

It is an arithmetic number, because the mean of its divisors is an integer number (26976689761).

Almost surely, 2^106805669569 is an apocalyptic number.

It is an amenable number.

106805669569 is a deficient number, since it is larger than the sum of its proper divisors (1101089475).

106805669569 is an equidigital number, since it uses as much as digits as its factorization.

106805669569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101089474.

The product of its (nonzero) digits is 20995200, while the sum is 61.

The spelling of 106805669569 in words is "one hundred six billion, eight hundred five million, six hundred sixty-nine thousand, five hundred sixty-nine".