13533513966 has 32 divisors (see below), whose sum is σ = 34370830080. Its totient is φ = 3866718168.

The previous prime is 13533513949. The next prime is 13533513967. The reversal of 13533513966 is 66931533531.

13533513966 is a `hidden beast` number, since 1 + 3 + 533 + 51 + 3 + 9 + 66 = 666.

13533513966 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13533513967) 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, 17901096 + ... + 17901851.

It is an arithmetic number, because the mean of its divisors is an integer number (1074088440).

Almost surely, 2^13533513966 is an apocalyptic number.

13533513966 is an abundant number, since it is smaller than the sum of its proper divisors (20837316114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13533513966 is a wasteful number, since it uses less digits than its factorization.

13533513966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35802965 (or 35802959 counting only the distinct ones).

The product of its digits is 656100, while the sum is 45.

The spelling of 13533513966 in words is "thirteen billion, five hundred thirty-three million, five hundred thirteen thousand, nine hundred sixty-six".