164112247187 has 8 divisors (see below), whose sum is σ = 187714872576. Its totient is φ = 140549126472.

The previous prime is 164112247157. The next prime is 164112247199. The reversal of 164112247187 is 781742211461.

164112247187 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 a cyclic number.

It is not a de Polignac number, because 164112247187 - 2⁸ = 164112246931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164112247147) by changing a digit.

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, 9867263 + ... + 9883880.

It is an arithmetic number, because the mean of its divisors is an integer number (23464359072).

Almost surely, 2^164112247187 is an apocalyptic number.

164112247187 is a deficient number, since it is larger than the sum of its proper divisors (23602625389).

164112247187 is a wasteful number, since it uses less digits than its factorization.

164112247187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19752337.

The product of its digits is 150528, while the sum is 44.

The spelling of 164112247187 in words is "one hundred sixty-four billion, one hundred twelve million, two hundred forty-seven thousand, one hundred eighty-seven".