556665232605 has 32 divisors (see below), whose sum is σ = 891859438080. Its totient is φ = 296490001920.

The previous prime is 556665232553. The next prime is 556665232667. The reversal of 556665232605 is 506232566655.

It is not a de Polignac number, because 556665232605 - 2¹¹ = 556665230557 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55991935 + ... + 56001875.

It is an arithmetic number, because the mean of its divisors is an integer number (27870607440).

Almost surely, 2^556665232605 is an apocalyptic number.

It is an amenable number.

556665232605 is a deficient number, since it is larger than the sum of its proper divisors (335194205475).

556665232605 is a wasteful number, since it uses less digits than its factorization.

556665232605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14581.

The product of its (nonzero) digits is 9720000, while the sum is 51.

The spelling of 556665232605 in words is "five hundred fifty-six billion, six hundred sixty-five million, two hundred thirty-two thousand, six hundred five".