133320051671 has 4 divisors (see below), whose sum is σ = 133332212472. Its totient is φ = 133307890872.

The previous prime is 133320051661. The next prime is 133320051673. The reversal of 133320051671 is 176150023331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133320051671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133320051673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6063941 + ... + 6085886.

It is an arithmetic number, because the mean of its divisors is an integer number (33333053118).

Almost surely, 2^133320051671 is an apocalyptic number.

133320051671 is a deficient number, since it is larger than the sum of its proper divisors (12160801).

133320051671 is a wasteful number, since it uses less digits than its factorization.

133320051671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12160800.

The product of its (nonzero) digits is 11340, while the sum is 32.

The spelling of 133320051671 in words is "one hundred thirty-three billion, three hundred twenty million, fifty-one thousand, six hundred seventy-one".