16005074427 has 12 divisors (see below), whose sum is σ = 23124735504. Its totient is φ = 10667144400.

The previous prime is 16005074417. The next prime is 16005074447. The reversal of 16005074427 is 72447050061.

16005074427 is a `hidden beast` number, since 1 + 600 + 5 + 0 + 7 + 4 + 42 + 7 = 666.

It is not a de Polignac number, because 16005074427 - 2⁴ = 16005074411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16005074391 and 16005074400.

It is not an unprimeable number, because it can be changed into a prime (16005074417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 206943 + ... + 273560.

It is an arithmetic number, because the mean of its divisors is an integer number (1927061292).

Almost surely, 2^16005074427 is an apocalyptic number.

16005074427 is a deficient number, since it is larger than the sum of its proper divisors (7119661077).

16005074427 is a wasteful number, since it uses less digits than its factorization.

16005074427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484210 (or 484207 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The spelling of 16005074427 in words is "sixteen billion, five million, seventy-four thousand, four hundred twenty-seven".