66036414522 has 64 divisors (see below), whose sum is σ = 143101728000. Its totient is φ = 20194911744.

The previous prime is 66036414503. The next prime is 66036414523. The reversal of 66036414522 is 22541463066.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (66036414523) 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 31 ways as a sum of consecutive naturals, for example, 22017979 + ... + 22020977.

It is an arithmetic number, because the mean of its divisors is an integer number (2235964500).

Almost surely, 2^66036414522 is an apocalyptic number.

66036414522 is an abundant number, since it is smaller than the sum of its proper divisors (77065313478).

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

66036414522 is a wasteful number, since it uses less digits than its factorization.

66036414522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4647.

The product of its (nonzero) digits is 207360, while the sum is 39.

Adding to 66036414522 its reverse (22541463066), we get a palindrome (88577877588).

The spelling of 66036414522 in words is "sixty-six billion, thirty-six million, four hundred fourteen thousand, five hundred twenty-two".