16754161 has 4 divisors (see below), whose sum is σ = 16942500. Its totient is φ = 16565824.

The previous prime is 16754149. The next prime is 16754173. The reversal of 16754161 is 16145761.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (16754149) and next prime (16754173).

It can be written as a sum of positive squares in 2 ways, for example, as 1199025 + 15555136 = 1095^2 + 3944^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16754161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16754191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94036 + ... + 94213.

It is an arithmetic number, because the mean of its divisors is an integer number (4235625).

Almost surely, 2^16754161 is an apocalyptic number.

It is an amenable number.

16754161 is a deficient number, since it is larger than the sum of its proper divisors (188339).

16754161 is an equidigital number, since it uses as much as digits as its factorization.

16754161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188338.

The product of its digits is 5040, while the sum is 31.

The square root of 16754161 is about 4093.1847014275. The cubic root of 16754161 is about 255.8826824510.

Subtracting from 16754161 its reverse (16145761), we obtain a square (608400 = 780²).

The spelling of 16754161 in words is "sixteen million, seven hundred fifty-four thousand, one hundred sixty-one".