166436828599 has 2 divisors, whose sum is σ = 166436828600. Its totient is φ = 166436828598.

The previous prime is 166436828587. The next prime is 166436828639. The reversal of 166436828599 is 995828634661.

166436828599 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-166436828599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166436828549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83218414299 + 83218414300.

It is an arithmetic number, because the mean of its divisors is an integer number (83218414300).

Almost surely, 2^166436828599 is an apocalyptic number.

166436828599 is a deficient number, since it is larger than the sum of its proper divisors (1).

166436828599 is an equidigital number, since it uses as much as digits as its factorization.

166436828599 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 134369280, while the sum is 67.

The spelling of 166436828599 in words is "one hundred sixty-six billion, four hundred thirty-six million, eight hundred twenty-eight thousand, five hundred ninety-nine".