556060125661 has 8 divisors (see below), whose sum is σ = 557998007000. Its totient is φ = 554124214080.

The previous prime is 556060125629. The next prime is 556060125667. The reversal of 556060125661 is 166521060655.

556060125661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 391381616025 + 164678509636 = 625605^2 + 405806^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 556060125661 - 2⁵ = 556060125629 is a prime.

It is a super-2 number, since 2×556060125661² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556060125667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74275 + ... + 1057183.

It is an arithmetic number, because the mean of its divisors is an integer number (69749750875).

Almost surely, 2^556060125661 is an apocalyptic number.

It is an amenable number.

556060125661 is a deficient number, since it is larger than the sum of its proper divisors (1937881339).

556060125661 is a wasteful number, since it uses less digits than its factorization.

556060125661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984879.

The product of its (nonzero) digits is 324000, while the sum is 43.

The spelling of 556060125661 in words is "five hundred fifty-six billion, sixty million, one hundred twenty-five thousand, six hundred sixty-one".