106686805 has 16 divisors (see below), whose sum is σ = 136108800. Its totient is φ = 80049600.

The previous prime is 106686787. The next prime is 106686817. The reversal of 106686805 is 508686601.

It is a happy number.

It is not a de Polignac number, because 106686805 - 2⁷ = 106686677 is a prime.

It is a super-2 number, since 2×106686805² = 22764148722216050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4036 + ... + 15154.

It is an arithmetic number, because the mean of its divisors is an integer number (8506800).

Almost surely, 2^106686805 is an apocalyptic number.

It is an amenable number.

106686805 is a deficient number, since it is larger than the sum of its proper divisors (29421995).

106686805 is a wasteful number, since it uses less digits than its factorization.

106686805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11244.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 106686805 is about 10328.9304867445. The cubic root of 106686805 is about 474.2822845135.

The spelling of 106686805 in words is "one hundred six million, six hundred eighty-six thousand, eight hundred five".