16111204449 has 16 divisors (see below), whose sum is σ = 21537781440. Its totient is φ = 10712744640.

The previous prime is 16111204429. The next prime is 16111204471. The reversal of 16111204449 is 94440211161.

It is not a de Polignac number, because 16111204449 - 2¹⁶ = 16111138913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16111204429) 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, 3572454 + ... + 3576960.

It is an arithmetic number, because the mean of its divisors is an integer number (1346111340).

Almost surely, 2^16111204449 is an apocalyptic number.

It is an amenable number.

16111204449 is a deficient number, since it is larger than the sum of its proper divisors (5426576991).

16111204449 is a wasteful number, since it uses less digits than its factorization.

16111204449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7360.

The product of its (nonzero) digits is 6912, while the sum is 33.

The spelling of 16111204449 in words is "sixteen billion, one hundred eleven million, two hundred four thousand, four hundred forty-nine".