5655556161558 has 24 divisors (see below), whose sum is σ = 12253749068496. Its totient is φ = 1885178610000.

The previous prime is 5655556161529. The next prime is 5655556161569. The reversal of 5655556161558 is 8551616555565.

5655556161558 is a `hidden beast` number, since 5 + 6 + 5 + 5 + 5 + 5 + 6 + 1 + 615 + 5 + 8 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5655556161495 and 5655556161504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8606628 + ... + 9240408.

It is an arithmetic number, because the mean of its divisors is an integer number (510572877854).

Almost surely, 2^{5655556161558} is an apocalyptic number.

5655556161558 is an abundant number, since it is smaller than the sum of its proper divisors (6598192906938).

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

5655556161558 is a wasteful number, since it uses less digits than its factorization.

5655556161558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129540 (or 1129537 counting only the distinct ones).

The product of its digits is 135000000, while the sum is 63.

The spelling of 5655556161558 in words is "five trillion, six hundred fifty-five billion, five hundred fifty-six million, one hundred sixty-one thousand, five hundred fifty-eight".