16473121 has 8 divisors (see below), whose sum is σ = 19433984. Its totient is φ = 13664160.

The previous prime is 16473113. The next prime is 16473139. The reversal of 16473121 is 12137461.

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

It is a cyclic number.

It is not a de Polignac number, because 16473121 - 2³ = 16473113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16473101) 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 7 ways as a sum of consecutive naturals, for example, 37740 + ... + 38173.

It is an arithmetic number, because the mean of its divisors is an integer number (2429248).

Almost surely, 2^16473121 is an apocalyptic number.

It is an amenable number.

16473121 is a deficient number, since it is larger than the sum of its proper divisors (2960863).

16473121 is an equidigital number, since it uses as much as digits as its factorization.

16473121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75951.

The product of its digits is 1008, while the sum is 25.

The square root of 16473121 is about 4058.7092775906. The cubic root of 16473121 is about 254.4438526599.

The spelling of 16473121 in words is "sixteen million, four hundred seventy-three thousand, one hundred twenty-one".