166072100005151 has 2 divisors, whose sum is σ = 166072100005152. Its totient is φ = 166072100005150.

The previous prime is 166072100005111. The next prime is 166072100005153. The reversal of 166072100005151 is 151500001270661.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 166072100005151 - 2¹⁸ = 166072099743007 is a prime.

Together with 166072100005153, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166072100005153) 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 as a sum of consecutive naturals, namely, 83036050002575 + 83036050002576.

It is an arithmetic number, because the mean of its divisors is an integer number (83036050002576).

Almost surely, 2^{166072100005151} is an apocalyptic number.

166072100005151 is a deficient number, since it is larger than the sum of its proper divisors (1).

166072100005151 is an equidigital number, since it uses as much as digits as its factorization.

166072100005151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 35.

The spelling of 166072100005151 in words is "one hundred sixty-six trillion, seventy-two billion, one hundred million, five thousand, one hundred fifty-one".