16999129 has 27 divisors (see below), whose sum is σ = 21564981. Its totient is φ = 13358520.

The previous prime is 16999123. The next prime is 16999181. The reversal of 16999129 is 92199961.

The square root of 16999129 is 4123.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 16999129 - 2³ = 16999121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16999121) 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 26 ways as a sum of consecutive naturals, for example, 548344 + ... + 548374.

It is an arithmetic number, because the mean of its divisors is an integer number (798703).

Almost surely, 2^16999129 is an apocalyptic number.

16999129 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

16999129 is the 4123-rd square number.

16999129 is the 2062-nd centered octagonal number.

It is an amenable number.

16999129 is a deficient number, since it is larger than the sum of its proper divisors (4565852).

16999129 is an equidigital number, since it uses as much as digits as its factorization.

16999129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114 (or 57 counting only the distinct ones).

The product of its digits is 78732, while the sum is 46.

The cubic root of 16999129 is about 257.1237676452.

The spelling of 16999129 in words is "sixteen million, nine hundred ninety-nine thousand, one hundred twenty-nine".