16816122 has 12 divisors (see below), whose sum is σ = 36434970. Its totient is φ = 5605368.

The previous prime is 16816103. The next prime is 16816127. The reversal of 16816122 is 22161861.

It can be written as a sum of positive squares in only one way, i.e., 14447601 + 2368521 = 3801^2 + 1539^2 .

It is not an unprimeable number, because it can be changed into a prime (16816127) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 467097 + ... + 467132.

Almost surely, 2^16816122 is an apocalyptic number.

16816122 is an abundant number, since it is smaller than the sum of its proper divisors (19618848).

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

16816122 is a wasteful number, since it uses less digits than its factorization.

16816122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934237 (or 934234 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 16816122 is about 4100.7465174039. The cubic root of 16816122 is about 256.1977333813.

Adding to 16816122 its reverse (22161861), we get a palindrome (38977983).

It can be divided in two parts, 168 and 16122, that added together give a triangular number (16290 = T₁₈₀).

The spelling of 16816122 in words is "sixteen million, eight hundred sixteen thousand, one hundred twenty-two".