166768105883 has 4 divisors (see below), whose sum is σ = 166792540440. Its totient is φ = 166743671328.

The previous prime is 166768105871. The next prime is 166768105891. The reversal of 166768105883 is 388501867661.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 166768105883 - 2²⁶ = 166700997019 is a prime.

It is a super-2 number, since 2×166768105883² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166768135883) 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, 12207038 + ... + 12220691.

It is an arithmetic number, because the mean of its divisors is an integer number (41698135110).

Almost surely, 2^166768105883 is an apocalyptic number.

166768105883 is a deficient number, since it is larger than the sum of its proper divisors (24434557).

166768105883 is an equidigital number, since it uses as much as digits as its factorization.

166768105883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24434556.

The product of its (nonzero) digits is 11612160, while the sum is 59.

The spelling of 166768105883 in words is "one hundred sixty-six billion, seven hundred sixty-eight million, one hundred five thousand, eight hundred eighty-three".