656216011043 has 8 divisors (see below), whose sum is σ = 657683596416. Its totient is φ = 654748617600.

The previous prime is 656216011039. The next prime is 656216011049. The reversal of 656216011043 is 340110612656.

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 656216011043 - 2² = 656216011039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 656216010994 and 656216011012.

It is not an unprimeable number, because it can be changed into a prime (656216011049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8481230 + ... + 8558252.

It is an arithmetic number, because the mean of its divisors is an integer number (82210449552).

Almost surely, 2^656216011043 is an apocalyptic number.

656216011043 is a deficient number, since it is larger than the sum of its proper divisors (1467585373).

656216011043 is a wasteful number, since it uses less digits than its factorization.

656216011043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95965.

The product of its (nonzero) digits is 25920, while the sum is 35.

Adding to 656216011043 its reverse (340110612656), we get a palindrome (996326623699).

The spelling of 656216011043 in words is "six hundred fifty-six billion, two hundred sixteen million, eleven thousand, forty-three".