5558907601656 has 64 divisors (see below), whose sum is σ = 15481105380000. Its totient is φ = 1848205755648.

The previous prime is 5558907601633. The next prime is 5558907601669. The reversal of 5558907601656 is 6561067098555.

5558907601656 is a `hidden beast` number, since 5 + 558 + 9 + 0 + 7 + 60 + 16 + 5 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 5558907601593 and 5558907601602.

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 15 ways as a sum of consecutive naturals, for example, 32995261 + ... + 33163308.

Almost surely, 2^{5558907601656} is an apocalyptic number.

It is an amenable number.

5558907601656 is an abundant number, since it is smaller than the sum of its proper divisors (9922197778344).

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

5558907601656 is a wasteful number, since it uses less digits than its factorization.

5558907601656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66158973 (or 66158963 counting only the distinct ones).

The product of its (nonzero) digits is 68040000, while the sum is 63.

The spelling of 5558907601656 in words is "five trillion, five hundred fifty-eight billion, nine hundred seven million, six hundred one thousand, six hundred fifty-six".