16304643368 has 32 divisors (see below), whose sum is σ = 32928105000. Its totient is φ = 7524016128.

The previous prime is 16304643359. The next prime is 16304643391. The reversal of 16304643368 is 86334640361.

It can be written as a sum of positive squares in 4 ways, for example, as 13340712004 + 2963931364 = 115502^2 + 54442^2 .

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, 1224008 + ... + 1237256.

Almost surely, 2^16304643368 is an apocalyptic number.

It is an amenable number.

16304643368 is an abundant number, since it is smaller than the sum of its proper divisors (16623461632).

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

16304643368 is a wasteful number, since it uses less digits than its factorization.

16304643368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25101 (or 25097 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 44.

The spelling of 16304643368 in words is "sixteen billion, three hundred four million, six hundred forty-three thousand, three hundred sixty-eight".