6650121206 has 8 divisors (see below), whose sum is σ = 10013996520. Its totient is φ = 3312122368.

The previous prime is 6650121187. The next prime is 6650121253. The reversal of 6650121206 is 6021210566.

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

It is a super-2 number, since 2×6650121206² = 88448224108981788872, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6468476 + ... + 6469503.

It is an arithmetic number, because the mean of its divisors is an integer number (1251749565).

Almost surely, 2^6650121206 is an apocalyptic number.

6650121206 is a deficient number, since it is larger than the sum of its proper divisors (3363875314).

6650121206 is a wasteful number, since it uses less digits than its factorization.

6650121206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12938238.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 6650121206 is about 81548.2753097820. The cubic root of 6650121206 is about 1880.5137804692.

The spelling of 6650121206 in words is "six billion, six hundred fifty million, one hundred twenty-one thousand, two hundred six".