66036113532 has 36 divisors (see below), whose sum is σ = 167653569720. Its totient is φ = 21915912672.

The previous prime is 66036113531. The next prime is 66036113543. The reversal of 66036113532 is 23531163066.

66036113532 is a `hidden beast` number, since 6 + 6 + 0 + 3 + 6 + 113 + 532 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×66036113532² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66036113531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3996858 + ... + 4013345.

Almost surely, 2^66036113532 is an apocalyptic number.

It is an amenable number.

66036113532 is an abundant number, since it is smaller than the sum of its proper divisors (101617456188).

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

66036113532 is a wasteful number, since it uses less digits than its factorization.

66036113532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8010442 (or 8010437 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

Adding to 66036113532 its reverse (23531163066), we get a palindrome (89567276598).

The spelling of 66036113532 in words is "sixty-six billion, thirty-six million, one hundred thirteen thousand, five hundred thirty-two".