16772205 has 8 divisors (see below), whose sum is σ = 26835552. Its totient is φ = 8945168.

The previous prime is 16772191. The next prime is 16772207. The reversal of 16772205 is 50227761.

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 16772205 - 2⁶ = 16772141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16772207) 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, 559059 + ... + 559088.

It is an arithmetic number, because the mean of its divisors is an integer number (3354444).

Almost surely, 2^16772205 is an apocalyptic number.

16772205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16772205 is a deficient number, since it is larger than the sum of its proper divisors (10063347).

16772205 is a wasteful number, since it uses less digits than its factorization.

16772205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118155.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 16772205 is about 4095.3882599822. The cubic root of 16772205 is about 255.9745101981.

Adding to 16772205 its reverse (50227761), we get a palindrome (66999966).

The spelling of 16772205 in words is "sixteen million, seven hundred seventy-two thousand, two hundred five".