5655661345 has 16 divisors (see below), whose sum is σ = 7050240000. Its totient is φ = 4350205888.

The previous prime is 5655661343. The next prime is 5655661369. The reversal of 5655661345 is 5431665565.

It is a cyclic number.

It is not a de Polignac number, because 5655661345 - 2¹ = 5655661343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5655661295 and 5655661304.

It is not an unprimeable number, because it can be changed into a prime (5655661343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46945 + ... + 116254.

It is an arithmetic number, because the mean of its divisors is an integer number (440640000).

Almost surely, 2^5655661345 is an apocalyptic number.

It is an amenable number.

5655661345 is a deficient number, since it is larger than the sum of its proper divisors (1394578655).

5655661345 is a wasteful number, since it uses less digits than its factorization.

5655661345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163472.

The product of its digits is 1620000, while the sum is 46.

The square root of 5655661345 is about 75204.1311697702. The cubic root of 5655661345 is about 1781.6721803523.

The spelling of 5655661345 in words is "five billion, six hundred fifty-five million, six hundred sixty-one thousand, three hundred forty-five".