131433304166666 has 8 divisors (see below), whose sum is σ = 200869766745444. Its totient is φ = 64476715251520.

The previous prime is 131433304166639. The next prime is 131433304166669. The reversal of 131433304166666 is 666661403334131.

It can be written as a sum of positive squares in 2 ways, for example, as 124240561005625 + 7192743161041 = 11146325^2 + 2681929^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (131433304166669) 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, 619968415775 + ... + 619968415986.

Almost surely, 2^{131433304166666} is an apocalyptic number.

131433304166666 is a deficient number, since it is larger than the sum of its proper divisors (69436462578778).

131433304166666 is a wasteful number, since it uses less digits than its factorization.

131433304166666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239936831816.

The product of its (nonzero) digits is 10077696, while the sum is 53.

The spelling of 131433304166666 in words is "one hundred thirty-one trillion, four hundred thirty-three billion, three hundred four million, one hundred sixty-six thousand, six hundred sixty-six".