16772210 has 48 divisors (see below), whose sum is σ = 37834776. Its totient is φ = 5306112.

The previous prime is 16772207. The next prime is 16772227. The reversal of 16772210 is 1227761.

It can be written as a sum of positive squares in 4 ways, for example, as 7414729 + 9357481 = 2723^2 + 3059^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 16772210.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5054 + ... + 7686.

Almost surely, 2^16772210 is an apocalyptic number.

16772210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16772210 is an abundant number, since it is smaller than the sum of its proper divisors (21062566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16772210 is a wasteful number, since it uses less digits than its factorization.

16772210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2667 (or 2660 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 16772210 is about 4095.3888704249. The cubic root of 16772210 is about 255.9745356345.

Adding to 16772210 its reverse (1227761), we get a palindrome (17999971).

The spelling of 16772210 in words is "sixteen million, seven hundred seventy-two thousand, two hundred ten".