16109412 has 24 divisors (see below), whose sum is σ = 41006112. Its totient is φ = 4881600.

The previous prime is 16109389. The next prime is 16109441. The reversal of 16109412 is 21490161.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60889 + ... + 61152.

It is an arithmetic number, because the mean of its divisors is an integer number (1708588).

Almost surely, 2^16109412 is an apocalyptic number.

16109412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16109412 is an abundant number, since it is smaller than the sum of its proper divisors (24896700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16109412 is a wasteful number, since it uses less digits than its factorization.

16109412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122059 (or 122057 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 16109412 is about 4013.6531987704. The cubic root of 16109412 is about 252.5572826937.

Adding to 16109412 its reverse (21490161), we get a palindrome (37599573).

The spelling of 16109412 in words is "sixteen million, one hundred nine thousand, four hundred twelve".