16908129 has 32 divisors (see below), whose sum is σ = 28880640. Its totient is φ = 9576576.

The previous prime is 16908127. The next prime is 16908139. The reversal of 16908129 is 92180961.

It is not a de Polignac number, because 16908129 - 2¹ = 16908127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16908093 and 16908102.

It is not an unprimeable number, because it can be changed into a prime (16908121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25567 + ... + 26219.

It is an arithmetic number, because the mean of its divisors is an integer number (902520).

Almost surely, 2^16908129 is an apocalyptic number.

It is an amenable number.

16908129 is a deficient number, since it is larger than the sum of its proper divisors (11972511).

16908129 is a wasteful number, since it uses less digits than its factorization.

16908129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806 (or 800 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 16908129 is about 4111.9495376281. The cubic root of 16908129 is about 256.6641335182.

The spelling of 16908129 in words is "sixteen million, nine hundred eight thousand, one hundred twenty-nine".