164840457199 has 8 divisors (see below), whose sum is σ = 179831473920. Its totient is φ = 149850360600.

The previous prime is 164840457191. The next prime is 164840457253. The reversal of 164840457199 is 991754048461.

It is a happy number.

164840457199 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 164840457199 - 2³ = 164840457191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164840457191) 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, 175684 + ... + 600454.

It is an arithmetic number, because the mean of its divisors is an integer number (22478934240).

Almost surely, 2^164840457199 is an apocalyptic number.

164840457199 is a deficient number, since it is larger than the sum of its proper divisors (14991016721).

164840457199 is a wasteful number, since it uses less digits than its factorization.

164840457199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460061.

The product of its (nonzero) digits is 8709120, while the sum is 58.

The spelling of 164840457199 in words is "one hundred sixty-four billion, eight hundred forty million, four hundred fifty-seven thousand, one hundred ninety-nine".