16464228724 has 12 divisors (see below), whose sum is σ = 29022710724. Its totient is φ = 8172025664.

The previous prime is 16464228709. The next prime is 16464228769. The reversal of 16464228724 is 42782246461.

16464228724 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8231932900 + 8232295824 = 90730^2 + 90732^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15021559 + ... + 15022654.

It is an arithmetic number, because the mean of its divisors is an integer number (2418559227).

Almost surely, 2^16464228724 is an apocalyptic number.

It is an amenable number.

16464228724 is a deficient number, since it is larger than the sum of its proper divisors (12558482000).

16464228724 is a wasteful number, since it uses less digits than its factorization.

16464228724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30044354 (or 30044352 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 46.

The spelling of 16464228724 in words is "sixteen billion, four hundred sixty-four million, two hundred twenty-eight thousand, seven hundred twenty-four".