166850018349 has 8 divisors (see below), whose sum is σ = 254247647040. Its totient is φ = 95342867616.

The previous prime is 166850018339. The next prime is 166850018407. The reversal of 166850018349 is 943810058661.

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

It is not a de Polignac number, because 166850018349 - 2⁹ = 166850017837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166850018339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3972619464 + ... + 3972619505.

It is an arithmetic number, because the mean of its divisors is an integer number (31780955880).

Almost surely, 2^166850018349 is an apocalyptic number.

It is an amenable number.

166850018349 is a deficient number, since it is larger than the sum of its proper divisors (87397628691).

166850018349 is an equidigital number, since it uses as much as digits as its factorization.

166850018349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7945238979.

The product of its (nonzero) digits is 1244160, while the sum is 51.

The spelling of 166850018349 in words is "one hundred sixty-six billion, eight hundred fifty million, eighteen thousand, three hundred forty-nine".