166703704107 has 4 divisors (see below), whose sum is σ = 222271605480. Its totient is φ = 111135802736.

The previous prime is 166703704073. The next prime is 166703704109. The reversal of 166703704107 is 701407307661.

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 166703704107 - 2¹⁸ = 166703441963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (166703704109) 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, 27783950682 + ... + 27783950687.

It is an arithmetic number, because the mean of its divisors is an integer number (55567901370).

Almost surely, 2^166703704107 is an apocalyptic number.

166703704107 is a deficient number, since it is larger than the sum of its proper divisors (55567901373).

166703704107 is an equidigital number, since it uses as much as digits as its factorization.

166703704107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55567901372.

The product of its (nonzero) digits is 148176, while the sum is 42.

The spelling of 166703704107 in words is "one hundred sixty-six billion, seven hundred three million, seven hundred four thousand, one hundred seven".