556656616606 has 8 divisors (see below), whose sum is σ = 835045336944. Its totient is φ = 278308170960.

The previous prime is 556656616567. The next prime is 556656616687. The reversal of 556656616606 is 606616656655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×556656616606² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10034095 + ... + 10089418.

It is an arithmetic number, because the mean of its divisors is an integer number (104380667118).

Almost surely, 2^556656616606 is an apocalyptic number.

556656616606 is a deficient number, since it is larger than the sum of its proper divisors (278388720338).

556656616606 is a wasteful number, since it uses less digits than its factorization.

556656616606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20137346.

The product of its (nonzero) digits is 34992000, while the sum is 58.

The spelling of 556656616606 in words is "five hundred fifty-six billion, six hundred fifty-six million, six hundred sixteen thousand, six hundred six".