656216011133 has 4 divisors (see below), whose sum is σ = 658938899388. Its totient is φ = 653493122880.

The previous prime is 656216011103. The next prime is 656216011163. The reversal of 656216011133 is 331110612656.

656216011133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (656216011103) and next prime (656216011163).

It can be written as a sum of positive squares in 2 ways, for example, as 528896926009 + 127319085124 = 727253^2 + 356818^2 .

It is a cyclic number.

It is not a de Polignac number, because 656216011133 - 2¹⁸ = 656215748989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 656216011093 and 656216011102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656216011103) 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, 1361443766 + ... + 1361444247.

It is an arithmetic number, because the mean of its divisors is an integer number (164734724847).

Almost surely, 2^656216011133 is an apocalyptic number.

It is an amenable number.

656216011133 is a deficient number, since it is larger than the sum of its proper divisors (2722888255).

656216011133 is a wasteful number, since it uses less digits than its factorization.

656216011133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2722888254.

The product of its (nonzero) digits is 19440, while the sum is 35.

Adding to 656216011133 its reverse (331110612656), we get a palindrome (987326623789).

The spelling of 656216011133 in words is "six hundred fifty-six billion, two hundred sixteen million, eleven thousand, one hundred thirty-three".