16967161 has 4 divisors (see below), whose sum is σ = 17254800. Its totient is φ = 16679524.

The previous prime is 16967149. The next prime is 16967183. The reversal of 16967161 is 16176961.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16176961 = 19 ⋅851419.

It is a cyclic number.

It is not a de Polignac number, because 16967161 - 2⁵ = 16967129 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16967161.

It is not an unprimeable number, because it can be changed into a prime (16967101) 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, 143731 + ... + 143848.

It is an arithmetic number, because the mean of its divisors is an integer number (4313700).

Almost surely, 2^16967161 is an apocalyptic number.

It is an amenable number.

16967161 is a deficient number, since it is larger than the sum of its proper divisors (287639).

16967161 is an equidigital number, since it uses as much as digits as its factorization.

16967161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287638.

The product of its digits is 13608, while the sum is 37.

The square root of 16967161 is about 4119.1213868979. The cubic root of 16967161 is about 256.9624870176.

It can be divided in two parts, 1696 and 7161, that multiplied together give a triangular number (12145056 = T₄₉₂₈).

The spelling of 16967161 in words is "sixteen million, nine hundred sixty-seven thousand, one hundred sixty-one".