164463489785 has 8 divisors (see below), whose sum is σ = 225549928896. Its totient is φ = 112774964400.

The previous prime is 164463489779. The next prime is 164463489829. The reversal of 164463489785 is 587984364461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 164463489785 - 2⁶ = 164463489721 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2349478391 + ... + 2349478460.

It is an arithmetic number, because the mean of its divisors is an integer number (28193741112).

Almost surely, 2^164463489785 is an apocalyptic number.

It is an amenable number.

164463489785 is a deficient number, since it is larger than the sum of its proper divisors (61086439111).

164463489785 is an equidigital number, since it uses as much as digits as its factorization.

164463489785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4698956863.

The product of its digits is 139345920, while the sum is 65.

The spelling of 164463489785 in words is "one hundred sixty-four billion, four hundred sixty-three million, four hundred eighty-nine thousand, seven hundred eighty-five".