106565691 has 8 divisors (see below), whose sum is σ = 146987280. Its totient is φ = 68593952.

The previous prime is 106565671. The next prime is 106565717. The reversal of 106565691 is 196565601.

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

It is a cyclic number.

It is not a de Polignac number, because 106565691 - 2⁵ = 106565659 is a prime.

It is a super-2 number, since 2×106565691² = 22712492996614962, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106565611) 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, 612360 + ... + 612533.

It is an arithmetic number, because the mean of its divisors is an integer number (18373410).

Almost surely, 2^106565691 is an apocalyptic number.

106565691 is a deficient number, since it is larger than the sum of its proper divisors (40421589).

106565691 is a wasteful number, since it uses less digits than its factorization.

106565691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224925.

The product of its (nonzero) digits is 48600, while the sum is 39.

The square root of 106565691 is about 10323.0659689842. The cubic root of 106565691 is about 474.1027434883.

The spelling of 106565691 in words is "one hundred six million, five hundred sixty-five thousand, six hundred ninety-one".