164340653506318 has 4 divisors (see below), whose sum is σ = 246510980259480. Its totient is φ = 82170326753158.

The previous prime is 164340653506231. The next prime is 164340653506319. The reversal of 164340653506318 is 813605356043461.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164340653506319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41085163376578 + ... + 41085163376581.

It is an arithmetic number, because the mean of its divisors is an integer number (61627745064870).

Almost surely, 2^{164340653506318} is an apocalyptic number.

164340653506318 is a deficient number, since it is larger than the sum of its proper divisors (82170326753162).

164340653506318 is an equidigital number, since it uses as much as digits as its factorization.

164340653506318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82170326753161.

The product of its (nonzero) digits is 18662400, while the sum is 55.

The spelling of 164340653506318 in words is "one hundred sixty-four trillion, three hundred forty billion, six hundred fifty-three million, five hundred six thousand, three hundred eighteen".