6668260501 has 24 divisors (see below), whose sum is σ = 8338999680. Its totient is φ = 5299584192.

The previous prime is 6668260499. The next prime is 6668260507. The reversal of 6668260501 is 1050628666.

It is not a de Polignac number, because 6668260501 - 2¹ = 6668260499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6668260507) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 32440 + ... + 119953.

It is an arithmetic number, because the mean of its divisors is an integer number (347458320).

Almost surely, 2^6668260501 is an apocalyptic number.

It is an amenable number.

6668260501 is a deficient number, since it is larger than the sum of its proper divisors (1670739179).

6668260501 is a wasteful number, since it uses less digits than its factorization.

6668260501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152473 (or 152466 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 6668260501 is about 81659.4177116149. The cubic root of 6668260501 is about 1882.2220313642. Note that the first 3 decimals are identical.

The spelling of 6668260501 in words is "six billion, six hundred sixty-eight million, two hundred sixty thousand, five hundred one".