164463303443 has 4 divisors (see below), whose sum is σ = 169768571328. Its totient is φ = 159158035560.

The previous prime is 164463303421. The next prime is 164463303497. The reversal of 164463303443 is 344303364461.

164463303443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 164463303443 - 2¹² = 164463299347 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 164463303443.

It is not an unprimeable number, because it can be changed into a prime (164463303343) 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 3 ways as a sum of consecutive naturals, for example, 2652633896 + ... + 2652633957.

It is an arithmetic number, because the mean of its divisors is an integer number (42442142832).

Almost surely, 2^164463303443 is an apocalyptic number.

164463303443 is a deficient number, since it is larger than the sum of its proper divisors (5305267885).

164463303443 is an equidigital number, since it uses as much as digits as its factorization.

164463303443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5305267884.

The product of its (nonzero) digits is 746496, while the sum is 41.

The spelling of 164463303443 in words is "one hundred sixty-four billion, four hundred sixty-three million, three hundred three thousand, four hundred forty-three".