11664165243 has 8 divisors (see below), whose sum is σ = 15562240848. Its totient is φ = 7771099904.

The previous prime is 11664165241. The next prime is 11664165299. The reversal of 11664165243 is 34256146611.

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 11664165243 - 2¹ = 11664165241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11664165241) 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, 1247130 + ... + 1256447.

It is an arithmetic number, because the mean of its divisors is an integer number (1945280106).

Almost surely, 2^11664165243 is an apocalyptic number.

11664165243 is a deficient number, since it is larger than the sum of its proper divisors (3898075605).

11664165243 is a wasteful number, since it uses less digits than its factorization.

11664165243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2505133.

The product of its digits is 103680, while the sum is 39.

The spelling of 11664165243 in words is "eleven billion, six hundred sixty-four million, one hundred sixty-five thousand, two hundred forty-three".