16021473 has 8 divisors (see below), whose sum is σ = 23005248. Its totient is φ = 9859344.

The previous prime is 16021459. The next prime is 16021483. The reversal of 16021473 is 37412061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16021473 - 2⁴ = 16021457 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16021483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205365 + ... + 205442.

It is an arithmetic number, because the mean of its divisors is an integer number (2875656).

Almost surely, 2^16021473 is an apocalyptic number.

16021473 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16021473 is a deficient number, since it is larger than the sum of its proper divisors (6983775).

16021473 is a wasteful number, since it uses less digits than its factorization.

16021473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410823.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 16021473 is about 4002.6832250379. The cubic root of 16021473 is about 252.0968857743.

The spelling of 16021473 in words is "sixteen million, twenty-one thousand, four hundred seventy-three".