164246411321 has 4 divisors (see below), whose sum is σ = 165024830544. Its totient is φ = 163467992100.

The previous prime is 164246411317. The next prime is 164246411333. The reversal of 164246411321 is 123114642461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 164246411321 - 2² = 164246411317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (164246411621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 389209295 + ... + 389209716.

It is an arithmetic number, because the mean of its divisors is an integer number (41256207636).

Almost surely, 2^164246411321 is an apocalyptic number.

It is an amenable number.

164246411321 is a deficient number, since it is larger than the sum of its proper divisors (778419223).

164246411321 is an equidigital number, since it uses as much as digits as its factorization.

164246411321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778419222.

The product of its digits is 27648, while the sum is 35.

The spelling of 164246411321 in words is "one hundred sixty-four billion, two hundred forty-six million, four hundred eleven thousand, three hundred twenty-one".