16011530447 has 4 divisors (see below), whose sum is σ = 17467124136. Its totient is φ = 14555936760.

The previous prime is 16011530441. The next prime is 16011530449. The reversal of 16011530447 is 74403511061.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16011530447 - 2⁶ = 16011530383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16011530441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 727796828 + ... + 727796849.

It is an arithmetic number, because the mean of its divisors is an integer number (4366781034).

Almost surely, 2^16011530447 is an apocalyptic number.

16011530447 is a deficient number, since it is larger than the sum of its proper divisors (1455593689).

16011530447 is a wasteful number, since it uses less digits than its factorization.

16011530447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1455593688.

The product of its (nonzero) digits is 10080, while the sum is 32.

The spelling of 16011530447 in words is "sixteen billion, eleven million, five hundred thirty thousand, four hundred forty-seven".