11664356653 has 8 divisors (see below), whose sum is σ = 11995514208. Its totient is φ = 11337313104.

The previous prime is 11664356617. The next prime is 11664356681. The reversal of 11664356653 is 35665346611.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11664356653 - 2⁹ = 11664356141 is a prime.

It is a super-2 number, since 2×11664356653² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11664356953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1022751 + ... + 1034092.

It is an arithmetic number, because the mean of its divisors is an integer number (1499439276).

Almost surely, 2^11664356653 is an apocalyptic number.

It is an amenable number.

11664356653 is a deficient number, since it is larger than the sum of its proper divisors (331157555).

11664356653 is a wasteful number, since it uses less digits than its factorization.

11664356653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2057003.

The product of its digits is 1166400, while the sum is 46.

The spelling of 11664356653 in words is "eleven billion, six hundred sixty-four million, three hundred fifty-six thousand, six hundred fifty-three".