556743303347655 has 16 divisors (see below), whose sum is σ = 891871653888000. Its totient is φ = 296568972274848.

The previous prime is 556743303347639. The next prime is 556743303347663.

It is a happy number.

556743303347655 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 556743303347655 - 2⁴ = 556743303347639 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22549331655 + ... + 22549356344.

It is an arithmetic number, because the mean of its divisors is an integer number (55741978368000).

Almost surely, 2^{556743303347655} is an apocalyptic number.

556743303347655 is a deficient number, since it is larger than the sum of its proper divisors (335128350540345).

556743303347655 is a wasteful number, since it uses less digits than its factorization.

556743303347655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45098688830.

The product of its (nonzero) digits is 1428840000, while the sum is 66.

The spelling of 556743303347655 in words is "five hundred fifty-six trillion, seven hundred forty-three billion, three hundred three million, three hundred forty-seven thousand, six hundred fifty-five".