66146313236 has 12 divisors (see below), whose sum is σ = 116449199328. Its totient is φ = 32875113432.

The previous prime is 66146313197. The next prime is 66146313257. The reversal of 66146313236 is 63231364166.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 66146313193 and 66146313202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49510046 + ... + 49511381.

It is an arithmetic number, because the mean of its divisors is an integer number (9704099944).

Almost surely, 2^66146313236 is an apocalyptic number.

It is an amenable number.

66146313236 is a deficient number, since it is larger than the sum of its proper divisors (50302886092).

66146313236 is a wasteful number, since it uses less digits than its factorization.

66146313236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99021598 (or 99021596 counting only the distinct ones).

The product of its digits is 279936, while the sum is 41.

The spelling of 66146313236 in words is "sixty-six billion, one hundred forty-six million, three hundred thirteen thousand, two hundred thirty-six".