166842516793 has 8 divisors (see below), whose sum is σ = 167706056000. Its totient is φ = 165979229328.

The previous prime is 166842516791. The next prime is 166842516803. The reversal of 166842516793 is 397615248661.

166842516793 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 166842516793 - 2¹ = 166842516791 is a prime.

It is not an unprimeable number, because it can be changed into a prime (166842516791) 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, 1347430 + ... + 1466032.

It is an arithmetic number, because the mean of its divisors is an integer number (20963257000).

Almost surely, 2^166842516793 is an apocalyptic number.

It is an amenable number.

166842516793 is a deficient number, since it is larger than the sum of its proper divisors (863539207).

166842516793 is a wasteful number, since it uses less digits than its factorization.

166842516793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125871.

The product of its digits is 13063680, while the sum is 58.

The spelling of 166842516793 in words is "one hundred sixty-six billion, eight hundred forty-two million, five hundred sixteen thousand, seven hundred ninety-three".