166670538835 has 8 divisors (see below), whose sum is σ = 200205259056. Its totient is φ = 133202689440.

The previous prime is 166670538757. The next prime is 166670538871. The reversal of 166670538835 is 538835076661.

166670538835 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 not a de Polignac number, because 166670538835 - 2¹¹ = 166670536787 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 166670538835.

It is an unprimeable number.

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, 16712221 + ... + 16722190.

It is an arithmetic number, because the mean of its divisors is an integer number (25025657382).

Almost surely, 2^166670538835 is an apocalyptic number.

166670538835 is a deficient number, since it is larger than the sum of its proper divisors (33534720221).

166670538835 is an equidigital number, since it uses as much as digits as its factorization.

166670538835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33435413.

The product of its (nonzero) digits is 21772800, while the sum is 58.

The spelling of 166670538835 in words is "one hundred sixty-six billion, six hundred seventy million, five hundred thirty-eight thousand, eight hundred thirty-five".