11664616033535 has 16 divisors (see below), whose sum is σ = 14104602068832. Its totient is φ = 9260319744000.

The previous prime is 11664616033531. The next prime is 11664616033537. The reversal of 11664616033535 is 53533061646611.

It is not a de Polignac number, because 11664616033535 - 2² = 11664616033531 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11664616033531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87179807 + ... + 87313503.

It is an arithmetic number, because the mean of its divisors is an integer number (881537629302).

Almost surely, 2^{11664616033535} is an apocalyptic number.

11664616033535 is a deficient number, since it is larger than the sum of its proper divisors (2439986035297).

11664616033535 is a wasteful number, since it uses less digits than its factorization.

11664616033535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267034.

The product of its (nonzero) digits is 3499200, while the sum is 50.

The spelling of 11664616033535 in words is "eleven trillion, six hundred sixty-four billion, six hundred sixteen million, thirty-three thousand, five hundred thirty-five".