11634666433 has 16 divisors (see below), whose sum is σ = 12592944000. Its totient is φ = 10685566080.

The previous prime is 11634666427. The next prime is 11634666443. The reversal of 11634666433 is 33466643611.

It is a cyclic number.

It is not a de Polignac number, because 11634666433 - 2²⁹ = 11097795521 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11634666433.

It is not an unprimeable number, because it can be changed into a prime (11634666443) 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, 2500293 + ... + 2504941.

It is an arithmetic number, because the mean of its divisors is an integer number (787059000).

Almost surely, 2^11634666433 is an apocalyptic number.

11634666433 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11634666433 is a deficient number, since it is larger than the sum of its proper divisors (958277567).

11634666433 is a wasteful number, since it uses less digits than its factorization.

11634666433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5592.

The product of its digits is 559872, while the sum is 43.

The spelling of 11634666433 in words is "eleven billion, six hundred thirty-four million, six hundred sixty-six thousand, four hundred thirty-three".