106683600665 has 8 divisors (see below), whose sum is σ = 128025281160. Its totient is φ = 85343573632.

The previous prime is 106683600641. The next prime is 106683600677. The reversal of 106683600665 is 566006386601.

It can be written as a sum of positive squares in 4 ways, for example, as 27891672064 + 78791928601 = 167008^2 + 280699^2 .

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 106683600665 - 2²⁰ = 106682552089 is a prime.

It is a super-2 number, since 2×106683600665² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266684 + ... + 533373.

It is an arithmetic number, because the mean of its divisors is an integer number (16003160145).

Almost surely, 2^106683600665 is an apocalyptic number.

It is an amenable number.

106683600665 is a deficient number, since it is larger than the sum of its proper divisors (21341680495).

106683600665 is an equidigital number, since it uses as much as digits as its factorization.

106683600665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826731.

The product of its (nonzero) digits is 933120, while the sum is 47.

The spelling of 106683600665 in words is "one hundred six billion, six hundred eighty-three million, six hundred thousand, six hundred sixty-five".