16001116 has 24 divisors (see below), whose sum is σ = 29670480. Its totient is φ = 7529472.

The previous prime is 16001113. The next prime is 16001119. The reversal of 16001116 is 61110061.

It is an interprime number because it is at equal distance from previous prime (16001113) and next prime (16001119).

It is a self number, because there is not a number n which added to its sum of digits gives 16001116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16001113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12540 + ... + 13756.

It is an arithmetic number, because the mean of its divisors is an integer number (1236270).

Almost surely, 2^16001116 is an apocalyptic number.

It is an amenable number.

16001116 is a deficient number, since it is larger than the sum of its proper divisors (13669364).

16001116 is a wasteful number, since it uses less digits than its factorization.

16001116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413 (or 1411 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 16001116 is about 4000.1394975676. The cubic root of 16001116 is about 251.9900684756.

Adding to 16001116 its reverse (61110061), we get a palindrome (77111177).

The spelling of 16001116 in words is "sixteen million, one thousand, one hundred sixteen".