16009794771 has 16 divisors (see below), whose sum is σ = 21453204480. Its totient is φ = 10619864640.

The previous prime is 16009794751. The next prime is 16009794797. The reversal of 16009794771 is 17749790061.

It is not a de Polignac number, because 16009794771 - 2⁶ = 16009794707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16009794751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 938706 + ... + 955608.

It is an arithmetic number, because the mean of its divisors is an integer number (1340825280).

Almost surely, 2^16009794771 is an apocalyptic number.

16009794771 is a deficient number, since it is larger than the sum of its proper divisors (5443409709).

16009794771 is a wasteful number, since it uses less digits than its factorization.

16009794771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18466.

The product of its (nonzero) digits is 666792, while the sum is 51.

The spelling of 16009794771 in words is "sixteen billion, nine million, seven hundred ninety-four thousand, seven hundred seventy-one".