133664146236412 has 96 divisors (see below), whose sum is σ = 277531711672320. Its totient is φ = 55628641797120.

The previous prime is 133664146236409. The next prime is 133664146236427. The reversal of 133664146236412 is 214632641466331.

It is a happy number.

It is a super-2 number, since 2×133664146236412² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133664146236412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 184486453 + ... + 185209555.

It is an arithmetic number, because the mean of its divisors is an integer number (2890955329920).

Almost surely, 2^{133664146236412} is an apocalyptic number.

It is an amenable number.

133664146236412 is an abundant number, since it is smaller than the sum of its proper divisors (143867565435908).

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

133664146236412 is a wasteful number, since it uses less digits than its factorization.

133664146236412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729851 (or 729849 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 52.

The spelling of 133664146236412 in words is "one hundred thirty-three trillion, six hundred sixty-four billion, one hundred forty-six million, two hundred thirty-six thousand, four hundred twelve".