164459647424 has 14 divisors (see below), whose sum is σ = 326349612984. Its totient is φ = 82229823680.

The previous prime is 164459647403. The next prime is 164459647447. The reversal of 164459647424 is 424746954461.

It is a self number, because there is not a number n which added to its sum of digits gives 164459647424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1284840932 + ... + 1284841059.

Almost surely, 2^164459647424 is an apocalyptic number.

It is an amenable number.

164459647424 is a deficient number, since it is larger than the sum of its proper divisors (161889965560).

164459647424 is an equidigital number, since it uses as much as digits as its factorization.

164459647424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2569682003 (or 2569681993 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 56.

The spelling of 164459647424 in words is "one hundred sixty-four billion, four hundred fifty-nine million, six hundred forty-seven thousand, four hundred twenty-four".