164112113566 has 4 divisors (see below), whose sum is σ = 246168170352. Its totient is φ = 82056056782.

The previous prime is 164112113551. The next prime is 164112113587. The reversal of 164112113566 is 665311211461.

It is a happy number.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 41028028390 + ... + 41028028393.

It is an arithmetic number, because the mean of its divisors is an integer number (61542042588).

Almost surely, 2^164112113566 is an apocalyptic number.

164112113566 is a deficient number, since it is larger than the sum of its proper divisors (82056056786).

164112113566 is an equidigital number, since it uses as much as digits as its factorization.

164112113566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82056056785.

The product of its digits is 25920, while the sum is 37.

The spelling of 164112113566 in words is "one hundred sixty-four billion, one hundred twelve million, one hundred thirteen thousand, five hundred sixty-six".