6656244004254 has 32 divisors (see below), whose sum is σ = 14350404255264. Its totient is φ = 2046092405760.

The previous prime is 6656244004253. The next prime is 6656244004259. The reversal of 6656244004254 is 4524004426566.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6656244004253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41224587 + ... + 41385734.

It is an arithmetic number, because the mean of its divisors is an integer number (448450132977).

Almost surely, 2^{6656244004254} is an apocalyptic number.

6656244004254 is an abundant number, since it is smaller than the sum of its proper divisors (7694160251010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6656244004254 is a wasteful number, since it uses less digits than its factorization.

6656244004254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82611372.

The product of its (nonzero) digits is 5529600, while the sum is 48.

The spelling of 6656244004254 in words is "six trillion, six hundred fifty-six billion, two hundred forty-four million, four thousand, two hundred fifty-four".