80243660133 has 216 divisors, whose sum is σ = 151884038592. Its totient is φ = 40775664384.

The previous prime is 80243660131. The next prime is 80243660137. The reversal of 80243660133 is 33106634208.

80243660133 is a `hidden beast` number, since 8 + 0 + 2 + 43 + 6 + 601 + 3 + 3 = 666.

It is not a de Polignac number, because 80243660133 - 2¹ = 80243660131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80243660131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 1099228185 + ... + 1099228257.

Almost surely, 2^80243660133 is an apocalyptic number.

It is an amenable number.

80243660133 is a deficient number, since it is larger than the sum of its proper divisors (71640378459).

80243660133 is an equidigital number, since it uses as much as digits as its factorization.

80243660133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The spelling of 80243660133 in words is "eighty billion, two hundred forty-three million, six hundred sixty thousand, one hundred thirty-three".