16771028 has 6 divisors (see below), whose sum is σ = 29349306. Its totient is φ = 8385512.

The previous prime is 16771021. The next prime is 16771033. The reversal of 16771028 is 82017761.

It can be written as a sum of positive squares in only one way, i.e., 8773444 + 7997584 = 2962^2 + 2828^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16770985 and 16771003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16771021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2096375 + ... + 2096382.

It is an arithmetic number, because the mean of its divisors is an integer number (4891551).

Almost surely, 2^16771028 is an apocalyptic number.

It is an amenable number.

16771028 is a deficient number, since it is larger than the sum of its proper divisors (12578278).

16771028 is a wasteful number, since it uses less digits than its factorization.

16771028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4192761 (or 4192759 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 32.

The square root of 16771028 is about 4095.2445592419. The cubic root of 16771028 is about 255.9685223341.

Adding to 16771028 its reverse (82017761), we get a palindrome (98788789).

The spelling of 16771028 in words is "sixteen million, seven hundred seventy-one thousand, twenty-eight".