16072205 has 8 divisors (see below), whose sum is σ = 19757304. Its totient is φ = 12544000.

The previous prime is 16072187. The next prime is 16072211. The reversal of 16072205 is 50227061.

It can be written as a sum of positive squares in 4 ways, for example, as 2778889 + 13293316 = 1667^2 + 3646^2 .

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

It is not a de Polignac number, because 16072205 - 2¹² = 16068109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38996 + ... + 39405.

It is an arithmetic number, because the mean of its divisors is an integer number (2469663).

Almost surely, 2^16072205 is an apocalyptic number.

It is an amenable number.

16072205 is a deficient number, since it is larger than the sum of its proper divisors (3685099).

16072205 is an equidigital number, since it uses as much as digits as its factorization.

16072205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78447.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 16072205 is about 4009.0154651735. The cubic root of 16072205 is about 252.3626937042.

Adding to 16072205 its reverse (50227061), we get a palindrome (66299266).

The spelling of 16072205 in words is "sixteen million, seventy-two thousand, two hundred five".