133366550426 has 16 divisors (see below), whose sum is σ = 200311937280. Its totient is φ = 66595964880.

The previous prime is 133366550423. The next prime is 133366550441. The reversal of 133366550426 is 624055663331.

It is not an unprimeable number, because it can be changed into a prime (133366550423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4933535 + ... + 4960493.

It is an arithmetic number, because the mean of its divisors is an integer number (12519496080).

Almost surely, 2^133366550426 is an apocalyptic number.

133366550426 is a deficient number, since it is larger than the sum of its proper divisors (66945386854).

133366550426 is a wasteful number, since it uses less digits than its factorization.

133366550426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30109.

The product of its (nonzero) digits is 1166400, while the sum is 44.

The spelling of 133366550426 in words is "one hundred thirty-three billion, three hundred sixty-six million, five hundred fifty thousand, four hundred twenty-six".