164321663316 has 12 divisors (see below), whose sum is σ = 383417214432. Its totient is φ = 54773887768.

The previous prime is 164321663293. The next prime is 164321663321. The reversal of 164321663316 is 613366123461.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6846735960 + ... + 6846735983.

It is an arithmetic number, because the mean of its divisors is an integer number (31951434536).

Almost surely, 2^164321663316 is an apocalyptic number.

It is an amenable number.

164321663316 is an abundant number, since it is smaller than the sum of its proper divisors (219095551116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164321663316 is a wasteful number, since it uses less digits than its factorization.

164321663316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13693471950 (or 13693471948 counting only the distinct ones).

The product of its digits is 279936, while the sum is 42.

Adding to 164321663316 its reverse (613366123461), we get a palindrome (777687786777).

The spelling of 164321663316 in words is "one hundred sixty-four billion, three hundred twenty-one million, six hundred sixty-three thousand, three hundred sixteen".