16541479 has 4 divisors (see below), whose sum is σ = 16988584. Its totient is φ = 16094376.

The previous prime is 16541461. The next prime is 16541489. The reversal of 16541479 is 97414561.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97414561 = 149 ⋅653789.

It is a cyclic number.

It is not a de Polignac number, because 16541479 - 2⁹ = 16540967 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 447067 = 16541479 / (1 + 6 + 5 + 4 + 1 + 4 + 7 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16541449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223497 + ... + 223570.

It is an arithmetic number, because the mean of its divisors is an integer number (4247146).

Almost surely, 2^16541479 is an apocalyptic number.

16541479 is a deficient number, since it is larger than the sum of its proper divisors (447105).

16541479 is an equidigital number, since it uses as much as digits as its factorization.

16541479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447104.

The product of its digits is 30240, while the sum is 37.

The square root of 16541479 is about 4067.1217095140. The cubic root of 16541479 is about 254.7953195417.

It can be divided in two parts, 16541 and 479, that added together give a triangular number (17020 = T₁₈₄).

The spelling of 16541479 in words is "sixteen million, five hundred forty-one thousand, four hundred seventy-nine".