6700105663 has 4 divisors (see below), whose sum is σ = 6700495048. Its totient is φ = 6699716280.

The previous prime is 6700105649. The next prime is 6700105721. The reversal of 6700105663 is 3665010076.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6700105663 - 2²⁵ = 6666551231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6700705663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167628 + ... + 203713.

It is an arithmetic number, because the mean of its divisors is an integer number (1675123762).

Almost surely, 2^6700105663 is an apocalyptic number.

6700105663 is a deficient number, since it is larger than the sum of its proper divisors (389385).

6700105663 is a wasteful number, since it uses less digits than its factorization.

6700105663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389384.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 6700105663 is about 81854.1731556797. The cubic root of 6700105663 is about 1885.2135412311.

The spelling of 6700105663 in words is "six billion, seven hundred million, one hundred five thousand, six hundred sixty-three".