66435106332 has 48 divisors (see below), whose sum is σ = 184862909952. Its totient is φ = 18156177600.

The previous prime is 66435106307. The next prime is 66435106337. The reversal of 66435106332 is 23360153466.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66435106337) 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, 17191419 + ... + 17195282.

It is an arithmetic number, because the mean of its divisors is an integer number (3851310624).

Almost surely, 2^66435106332 is an apocalyptic number.

It is an amenable number.

66435106332 is an abundant number, since it is smaller than the sum of its proper divisors (118427803620).

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

66435106332 is a wasteful number, since it uses less digits than its factorization.

66435106332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34386738 (or 34386736 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 39.

Adding to 66435106332 its reverse (23360153466), we get a palindrome (89795259798).

The spelling of 66435106332 in words is "sixty-six billion, four hundred thirty-five million, one hundred six thousand, three hundred thirty-two".