106659068569 has 9 divisors (see below), whose sum is σ = 113308092031. Its totient is φ = 100379780320.

The previous prime is 106659068531. The next prime is 106659068623. The reversal of 106659068569 is 965860956601.

The square root of 106659068569 is 326587.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 83039067225 + 23620001344 = 288165^2 + 153688^2 .

It is not a de Polignac number, because 106659068569 - 2¹⁹ = 106658544281 is a prime.

It is a super-2 number, since 2×106659068569² (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 (106659068969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5542374 + ... + 5561584.

Almost surely, 2^106659068569 is an apocalyptic number.

106659068569 is the 326587-th square number.

106659068569 is the 163294-th centered octagonal number.

It is an amenable number.

106659068569 is a deficient number, since it is larger than the sum of its proper divisors (6649023462).

106659068569 is an frugal number, since it uses more digits than its factorization.

106659068569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38456 (or 19228 counting only the distinct ones).

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

The spelling of 106659068569 in words is "one hundred six billion, six hundred fifty-nine million, sixty-eight thousand, five hundred sixty-nine".