16961193 has 6 divisors (see below), whose sum is σ = 24499514. Its totient is φ = 11307456.

The previous prime is 16961183. The next prime is 16961209. The reversal of 16961193 is 39116961.

It can be written as a sum of positive squares in only one way, i.e., 15896169 + 1065024 = 3987^2 + 1032^2 .

It is not a de Polignac number, because 16961193 - 2⁴ = 16961177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16961173) 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 5 ways as a sum of consecutive naturals, for example, 942280 + ... + 942297.

Almost surely, 2^16961193 is an apocalyptic number.

It is an amenable number.

16961193 is a deficient number, since it is larger than the sum of its proper divisors (7538321).

16961193 is a wasteful number, since it uses less digits than its factorization.

16961193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1884583 (or 1884580 counting only the distinct ones).

The product of its digits is 8748, while the sum is 36.

The square root of 16961193 is about 4118.3968968520. The cubic root of 16961193 is about 256.9323556370.

The spelling of 16961193 in words is "sixteen million, nine hundred sixty-one thousand, one hundred ninety-three".