5600506165661 has 4 divisors (see below), whose sum is σ = 6109643089824. Its totient is φ = 5091369241500.

The previous prime is 5600506165651. The next prime is 5600506165711. The reversal of 5600506165661 is 1665616050065.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5600506165661 - 2³⁴ = 5583326296477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5600506165651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254568462065 + ... + 254568462086.

It is an arithmetic number, because the mean of its divisors is an integer number (1527410772456).

Almost surely, 2^{5600506165661} is an apocalyptic number.

It is an amenable number.

5600506165661 is a deficient number, since it is larger than the sum of its proper divisors (509136924163).

5600506165661 is a wasteful number, since it uses less digits than its factorization.

5600506165661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509136924162.

The product of its (nonzero) digits is 972000, while the sum is 47.

The spelling of 5600506165661 in words is "five trillion, six hundred billion, five hundred six million, one hundred sixty-five thousand, six hundred sixty-one".