164650254443 has 8 divisors (see below), whose sum is σ = 164896951296. Its totient is φ = 164403743400.

The previous prime is 164650254427. The next prime is 164650254463. The reversal of 164650254443 is 344452056461.

164650254443 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 164650254443 - 2⁴ = 164650254427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164650254394 and 164650254403.

It is not an unprimeable number, because it can be changed into a prime (164650254413) 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, 1780478 + ... + 1870668.

It is an arithmetic number, because the mean of its divisors is an integer number (20612118912).

Almost surely, 2^164650254443 is an apocalyptic number.

164650254443 is a deficient number, since it is larger than the sum of its proper divisors (246696853).

164650254443 is a wasteful number, since it uses less digits than its factorization.

164650254443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92905.

The product of its (nonzero) digits is 1382400, while the sum is 44.

The spelling of 164650254443 in words is "one hundred sixty-four billion, six hundred fifty million, two hundred fifty-four thousand, four hundred forty-three".