66036113533 has 16 divisors (see below), whose sum is σ = 74401689600. Its totient is φ = 58153797504.

The previous prime is 66036113531. The next prime is 66036113543. The reversal of 66036113533 is 33531163066.

It is a cyclic number.

It is not a de Polignac number, because 66036113533 - 2¹ = 66036113531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66036113492 and 66036113501.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173808 + ... + 402841.

It is an arithmetic number, because the mean of its divisors is an integer number (4650105600).

Almost surely, 2^66036113533 is an apocalyptic number.

It is an amenable number.

66036113533 is a deficient number, since it is larger than the sum of its proper divisors (8365576067).

66036113533 is a wasteful number, since it uses less digits than its factorization.

66036113533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577068.

The product of its (nonzero) digits is 87480, while the sum is 37.

Adding to 66036113533 its reverse (33531163066), we get a palindrome (99567276599).

The spelling of 66036113533 in words is "sixty-six billion, thirty-six million, one hundred thirteen thousand, five hundred thirty-three".