164378666182 has 4 divisors (see below), whose sum is σ = 246567999276. Its totient is φ = 82189333090.

The previous prime is 164378666149. The next prime is 164378666267. The reversal of 164378666182 is 281666873461.

164378666182 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

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 as a sum of consecutive naturals, namely, 41094666544 + ... + 41094666547.

It is an arithmetic number, because the mean of its divisors is an integer number (61641999819).

Almost surely, 2^164378666182 is an apocalyptic number.

164378666182 is a deficient number, since it is larger than the sum of its proper divisors (82189333094).

164378666182 is an equidigital number, since it uses as much as digits as its factorization.

164378666182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82189333093.

The product of its digits is 13934592, while the sum is 58.

The spelling of 164378666182 in words is "one hundred sixty-four billion, three hundred seventy-eight million, six hundred sixty-six thousand, one hundred eighty-two".