16464020334 has 16 divisors (see below), whose sum is σ = 34661095680. Its totient is φ = 5199164280.

The previous prime is 16464020323. The next prime is 16464020341. The reversal of 16464020334 is 43302046461.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16464020295 and 16464020304.

It is a congruent 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, 72210502 + ... + 72210729.

It is an arithmetic number, because the mean of its divisors is an integer number (2166318480).

Almost surely, 2^16464020334 is an apocalyptic number.

16464020334 is an abundant number, since it is smaller than the sum of its proper divisors (18197075346).

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

16464020334 is a wasteful number, since it uses less digits than its factorization.

16464020334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144421255.

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 16464020334 its reverse (43302046461), we get a palindrome (59766066795).

The spelling of 16464020334 in words is "sixteen billion, four hundred sixty-four million, twenty thousand, three hundred thirty-four".