66130435412 has 12 divisors (see below), whose sum is σ = 119461431936. Its totient is φ = 31998597720.

The previous prime is 66130435403. The next prime is 66130435417. The reversal of 66130435412 is 21453403166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66130435417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266654858 + ... + 266655105.

It is an arithmetic number, because the mean of its divisors is an integer number (9955119328).

Almost surely, 2^66130435412 is an apocalyptic number.

66130435412 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

66130435412 is a deficient number, since it is larger than the sum of its proper divisors (53330996524).

66130435412 is a wasteful number, since it uses less digits than its factorization.

66130435412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533309998 (or 533309996 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

Adding to 66130435412 its reverse (21453403166), we get a palindrome (87583838578).

The spelling of 66130435412 in words is "sixty-six billion, one hundred thirty million, four hundred thirty-five thousand, four hundred twelve".