106686865 has 8 divisors (see below), whose sum is σ = 130123368. Its totient is φ = 83950080.

The previous prime is 106686863. The next prime is 106686869. The reversal of 106686865 is 568686601.

It can be written as a sum of positive squares in 4 ways, for example, as 7006609 + 99680256 = 2647^2 + 9984^2 .

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

It is not a de Polignac number, because 106686865 - 2¹ = 106686863 is a prime.

It is a super-2 number, since 2×106686865² = 22764174327056450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106686863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174592 + ... + 175201.

It is an arithmetic number, because the mean of its divisors is an integer number (16265421).

Almost surely, 2^106686865 is an apocalyptic number.

It is an amenable number.

106686865 is a deficient number, since it is larger than the sum of its proper divisors (23436503).

106686865 is an equidigital number, since it uses as much as digits as its factorization.

106686865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349859.

The product of its (nonzero) digits is 414720, while the sum is 46.

The square root of 106686865 is about 10328.9333912074. The cubic root of 106686865 is about 474.2823734246.

The spelling of 106686865 in words is "one hundred six million, six hundred eighty-six thousand, eight hundred sixty-five".