16964149 has 4 divisors (see below), whose sum is σ = 16973164. Its totient is φ = 16955136.

The previous prime is 16964141. The next prime is 16964173. The reversal of 16964149 is 94146961.

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.

It can be written as a sum of positive squares in 2 ways, for example, as 2387025 + 14577124 = 1545^2 + 3818^2 .

It is a cyclic number.

It is not a de Polignac number, because 16964149 - 2³ = 16964141 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 (16964141) by changing a digit.

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

It is an upside-down number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 492 + ... + 5845.

It is an arithmetic number, because the mean of its divisors is an integer number (4243291).

Almost surely, 2^16964149 is an apocalyptic number.

It is an amenable number.

16964149 is a deficient number, since it is larger than the sum of its proper divisors (9015).

16964149 is an equidigital number, since it uses as much as digits as its factorization.

16964149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9014.

The product of its digits is 46656, while the sum is 40.

The square root of 16964149 is about 4118.7557587213. The cubic root of 16964149 is about 256.9472808435.

The spelling of 16964149 in words is "sixteen million, nine hundred sixty-four thousand, one hundred forty-nine".