11610664647 has 16 divisors (see below), whose sum is σ = 16319583360. Its totient is φ = 7322290272.

The previous prime is 11610664643. The next prime is 11610664699. The reversal of 11610664647 is 74646601611.

11610664647 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 11610664647 - 2² = 11610664643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11610664599 and 11610664608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11610664643) 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 15 ways as a sum of consecutive naturals, for example, 110188 + ... + 188049.

It is an arithmetic number, because the mean of its divisors is an integer number (1019973960).

Almost surely, 2^11610664647 is an apocalyptic number.

11610664647 is a deficient number, since it is larger than the sum of its proper divisors (4708918713).

11610664647 is a wasteful number, since it uses less digits than its factorization.

11610664647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298942.

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 11610664647 in words is "eleven billion, six hundred ten million, six hundred sixty-four thousand, six hundred forty-seven".