133165621151 has 2 divisors, whose sum is σ = 133165621152. Its totient is φ = 133165621150.

The previous prime is 133165621133. The next prime is 133165621201. The reversal of 133165621151 is 151126561331.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133165621151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133165621111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66582810575 + 66582810576.

It is an arithmetic number, because the mean of its divisors is an integer number (66582810576).

Almost surely, 2^133165621151 is an apocalyptic number.

133165621151 is a deficient number, since it is larger than the sum of its proper divisors (1).

133165621151 is an equidigital number, since it uses as much as digits as its factorization.

133165621151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16200, while the sum is 35.

The spelling of 133165621151 in words is "one hundred thirty-three billion, one hundred sixty-five million, six hundred twenty-one thousand, one hundred fifty-one".