6650561101 has 8 divisors (see below), whose sum is σ = 6713840000. Its totient is φ = 6587535600.

The previous prime is 6650561069. The next prime is 6650561107. The reversal of 6650561101 is 1011650566.

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 6650561101 - 2⁵ = 6650561069 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 (6650561107) 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, 10401 + ... + 115798.

It is an arithmetic number, because the mean of its divisors is an integer number (839230000).

Almost surely, 2^6650561101 is an apocalyptic number.

It is an amenable number.

6650561101 is a deficient number, since it is larger than the sum of its proper divisors (63278899).

6650561101 is a wasteful number, since it uses less digits than its factorization.

6650561101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126699.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 6650561101 is about 81550.9724098983. The cubic root of 6650561101 is about 1880.5552438925. Note that the first 3 decimals are identical.

The spelling of 6650561101 in words is "six billion, six hundred fifty million, five hundred sixty-one thousand, one hundred one".