164533719368 has 36 divisors (see below), whose sum is σ = 313774484985. Its totient is φ = 80883804000.

The previous prime is 164533719331. The next prime is 164533719373. The reversal of 164533719368 is 863917335461.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 111450480964 + 53083238404 = 333842^2 + 230398^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=286822.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 69983393 + ... + 69985743.

Almost surely, 2^164533719368 is an apocalyptic number.

It is an amenable number.

164533719368 is a deficient number, since it is larger than the sum of its proper divisors (149240765617).

164533719368 is an frugal number, since it uses more digits than its factorization.

164533719368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4830 (or 2414 counting only the distinct ones).

The product of its digits is 9797760, while the sum is 56.

The spelling of 164533719368 in words is "one hundred sixty-four billion, five hundred thirty-three million, seven hundred nineteen thousand, three hundred sixty-eight".