166262053523 has 2 divisors, whose sum is σ = 166262053524. Its totient is φ = 166262053522.

The previous prime is 166262053501. The next prime is 166262053537. The reversal of 166262053523 is 325350262661.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 166262053523 - 2¹⁶ = 166261987987 is a prime.

It is not a weakly prime, because it can be changed into another prime (166262055523) 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, 83131026761 + 83131026762.

It is an arithmetic number, because the mean of its divisors is an integer number (83131026762).

Almost surely, 2^166262053523 is an apocalyptic number.

166262053523 is a deficient number, since it is larger than the sum of its proper divisors (1).

166262053523 is an equidigital number, since it uses as much as digits as its factorization.

166262053523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 166262053523 in words is "one hundred sixty-six billion, two hundred sixty-two million, fifty-three thousand, five hundred twenty-three".