6650249918806 has 8 divisors (see below), whose sum is σ = 10742711407344. Its totient is φ = 3069346116360.

The previous prime is 6650249918779. The next prime is 6650249918827. The reversal of 6650249918806 is 6088199420566.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127889421490 + ... + 127889421541.

It is an arithmetic number, because the mean of its divisors is an integer number (1342838925918).

Almost surely, 2^{6650249918806} is an apocalyptic number.

6650249918806 is a deficient number, since it is larger than the sum of its proper divisors (4092461488538).

6650249918806 is a wasteful number, since it uses less digits than its factorization.

6650249918806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255778843046.

The product of its (nonzero) digits is 44789760, while the sum is 64.

The spelling of 6650249918806 in words is "six trillion, six hundred fifty billion, two hundred forty-nine million, nine hundred eighteen thousand, eight hundred six".