656116011 has 8 divisors (see below), whose sum is σ = 972023760. Its totient is φ = 437410656.

The previous prime is 656116007. The next prime is 656116057. The reversal of 656116011 is 110611656.

656116011 is a `hidden beast` number, since 6 + 56 + 1 + 1 + 601 + 1 = 666.

656116011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 656116011 - 2² = 656116007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 24300593 = 656116011 / (6 + 5 + 6 + 1 + 1 + 6 + 0 + 1 + 1).

It is not an unprimeable number, because it can be changed into a prime (656116211) 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, 12150270 + ... + 12150323.

It is an arithmetic number, because the mean of its divisors is an integer number (121502970).

Almost surely, 2^656116011 is an apocalyptic number.

656116011 is a deficient number, since it is larger than the sum of its proper divisors (315907749).

656116011 is a wasteful number, since it uses less digits than its factorization.

656116011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24300602 (or 24300596 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 656116011 is about 25614.7615838992. The cubic root of 656116011 is about 868.9475144234.

Adding to 656116011 its reverse (110611656), we get a palindrome (766727667).

The spelling of 656116011 in words is "six hundred fifty-six million, one hundred sixteen thousand, eleven".