16228969724804 has 12 divisors (see below), whose sum is σ = 28719805974300. Its totient is φ = 8023310875008.

The previous prime is 16228969724777. The next prime is 16228969724819. The reversal of 16228969724804 is 40842796982261.

It can be written as a sum of positive squares in 2 ways, for example, as 5965903950400 + 10263065774404 = 2442520^2 + 3203602^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22793496449 + ... + 22793497160.

It is an arithmetic number, because the mean of its divisors is an integer number (2393317164525).

Almost surely, 2^{16228969724804} is an apocalyptic number.

It is an amenable number.

16228969724804 is a deficient number, since it is larger than the sum of its proper divisors (12490836249496).

16228969724804 is a wasteful number, since it uses less digits than its factorization.

16228969724804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45586993702 (or 45586993700 counting only the distinct ones).

The product of its (nonzero) digits is 167215104, while the sum is 68.

The spelling of 16228969724804 in words is "sixteen trillion, two hundred twenty-eight billion, nine hundred sixty-nine million, seven hundred twenty-four thousand, eight hundred four".