166850168353 has 4 divisors (see below), whose sum is σ = 182018365488. Its totient is φ = 151681971220.

The previous prime is 166850168351. The next prime is 166850168357. The reversal of 166850168353 is 353861058661.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 166850168353 - 2¹ = 166850168351 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 166850168353.

It is not an unprimeable number, because it can be changed into a prime (166850168351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7584098551 + ... + 7584098572.

It is an arithmetic number, because the mean of its divisors is an integer number (45504591372).

Almost surely, 2^166850168353 is an apocalyptic number.

It is an amenable number.

166850168353 is a deficient number, since it is larger than the sum of its proper divisors (15168197135).

166850168353 is a wasteful number, since it uses less digits than its factorization.

166850168353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15168197134.

The product of its (nonzero) digits is 3110400, while the sum is 52.

The spelling of 166850168353 in words is "one hundred sixty-six billion, eight hundred fifty million, one hundred sixty-eight thousand, three hundred fifty-three".