6654999999999 has 16 divisors (see below), whose sum is σ = 9556367256800. Its totient is φ = 4095183263616.

The previous prime is 6654999999997. The next prime is 6655000000021. The reversal of 6654999999999 is 9999999994566.

It is not a de Polignac number, because 6654999999999 - 2¹ = 6654999999997 is a prime.

6654999999999 is a modest number, since divided by 9999999 gives 665499 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6654999999997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3389464 + ... + 4979805.

It is an arithmetic number, because the mean of its divisors is an integer number (597272953550).

Almost surely, 2^{6654999999999} is an apocalyptic number.

6654999999999 is a deficient number, since it is larger than the sum of its proper divisors (2901367256801).

6654999999999 is a wasteful number, since it uses less digits than its factorization.

6654999999999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8389674.

The product of its digits is 278942752080, while the sum is 102.

The spelling of 6654999999999 in words is "six trillion, six hundred fifty-four billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".