16272205 has 4 divisors (see below), whose sum is σ = 19526652. Its totient is φ = 13017760.

The previous prime is 16272197. The next prime is 16272229. The reversal of 16272205 is 50227261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50227261 = 7 ⋅7175323.

It can be written as a sum of positive squares in 2 ways, for example, as 12981609 + 3290596 = 3603^2 + 1814^2 .

It is not a de Polignac number, because 16272205 - 2³ = 16272197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16272205.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1627216 + ... + 1627225.

It is an arithmetic number, because the mean of its divisors is an integer number (4881663).

Almost surely, 2^16272205 is an apocalyptic number.

It is an amenable number.

16272205 is a deficient number, since it is larger than the sum of its proper divisors (3254447).

16272205 is an equidigital number, since it uses as much as digits as its factorization.

16272205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3254446.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 16272205 is about 4033.8821251990. The cubic root of 16272205 is about 253.4051687250.

Adding to 16272205 its reverse (50227261), we get a palindrome (66499466).

The spelling of 16272205 in words is "sixteen million, two hundred seventy-two thousand, two hundred five".