6650106861 has 8 divisors (see below), whose sum is σ = 8906571520. Its totient is φ = 4413523392.

The previous prime is 6650106811. The next prime is 6650106917. The reversal of 6650106861 is 1686010566.

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

It is not a de Polignac number, because 6650106861 - 2¹⁷ = 6649975789 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6650106811) 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, 4969516 + ... + 4970853.

It is an arithmetic number, because the mean of its divisors is an integer number (1113321440).

Almost surely, 2^6650106861 is an apocalyptic number.

It is an amenable number.

6650106861 is a deficient number, since it is larger than the sum of its proper divisors (2256464659).

6650106861 is a wasteful number, since it uses less digits than its factorization.

6650106861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9940595.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 6650106861 is about 81548.1873556979. The cubic root of 6650106861 is about 1880.5124283140.

The spelling of 6650106861 in words is "six billion, six hundred fifty million, one hundred six thousand, eight hundred sixty-one".