16021479 has 16 divisors (see below), whose sum is σ = 21756672. Its totient is φ = 10485888.

The previous prime is 16021459. The next prime is 16021483. The reversal of 16021479 is 97412061.

It is a happy number.

It is not a de Polignac number, because 16021479 - 2⁹ = 16020967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16021459) 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 15 ways as a sum of consecutive naturals, for example, 56472 + ... + 56754.

It is an arithmetic number, because the mean of its divisors is an integer number (1359792).

Almost surely, 2^16021479 is an apocalyptic number.

16021479 is a deficient number, since it is larger than the sum of its proper divisors (5735193).

16021479 is a wasteful number, since it uses less digits than its factorization.

16021479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 16021479 is about 4002.6839745351. The cubic root of 16021479 is about 252.0969172442.

It can be divided in two parts, 1602 and 1479, that added together give a triangular number (3081 = T₇₈).

The spelling of 16021479 in words is "sixteen million, twenty-one thousand, four hundred seventy-nine".