166708242801 has 8 divisors (see below), whose sum is σ = 246975174560. Its totient is φ = 111138828516.

The previous prime is 166708242773. The next prime is 166708242803. The reversal of 166708242801 is 108242807661.

166708242801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 166708242801 - 2²³ = 166699854193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166708242803) 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 in 7 ways as a sum of consecutive naturals, for example, 3087189655 + ... + 3087189708.

It is an arithmetic number, because the mean of its divisors is an integer number (30871896820).

Almost surely, 2^166708242801 is an apocalyptic number.

It is an amenable number.

166708242801 is a deficient number, since it is larger than the sum of its proper divisors (80266931759).

166708242801 is an equidigital number, since it uses as much as digits as its factorization.

166708242801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6174379372 (or 6174379366 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The spelling of 166708242801 in words is "one hundred sixty-six billion, seven hundred eight million, two hundred forty-two thousand, eight hundred one".