16129349 has 4 divisors (see below), whose sum is σ = 16139436. Its totient is φ = 16119264.

The previous prime is 16129297. The next prime is 16129363. The reversal of 16129349 is 94392161.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 94392161 = 23 ⋅4104007.

It can be written as a sum of positive squares in 2 ways, for example, as 9498724 + 6630625 = 3082^2 + 2575^2 .

It is a cyclic number.

It is not a de Polignac number, because 16129349 - 2⁸ = 16129093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16129849) 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 3 ways as a sum of consecutive naturals, for example, 2054 + ... + 6039.

It is an arithmetic number, because the mean of its divisors is an integer number (4034859).

Almost surely, 2^16129349 is an apocalyptic number.

It is an amenable number.

16129349 is a deficient number, since it is larger than the sum of its proper divisors (10087).

16129349 is an equidigital number, since it uses as much as digits as its factorization.

16129349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10086.

The product of its digits is 11664, while the sum is 35.

The square root of 16129349 is about 4016.1360783718. The cubic root of 16129349 is about 252.6614279965.

The spelling of 16129349 in words is "sixteen million, one hundred twenty-nine thousand, three hundred forty-nine".