16416338 has 16 divisors (see below), whose sum is σ = 25061400. Its totient is φ = 8064000.

The previous prime is 16416311. The next prime is 16416343. The reversal of 16416338 is 83361461.

It can be written as a sum of positive squares in 4 ways, for example, as 14115049 + 2301289 = 3757^2 + 1517^2 .

It is a super-3 number, since 3×16416338³ (a number of 23 digits) contains 333 as substring.

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, 36338 + ... + 36786.

Almost surely, 2^16416338 is an apocalyptic number.

16416338 is a deficient number, since it is larger than the sum of its proper divisors (8645062).

16416338 is a wasteful number, since it uses less digits than its factorization.

16416338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733.

The product of its digits is 10368, while the sum is 32.

The square root of 16416338 is about 4051.7080348910. The cubic root of 16416338 is about 254.1511593274.

Adding to 16416338 its reverse (83361461), we get a palindrome (99777799).

The spelling of 16416338 in words is "sixteen million, four hundred sixteen thousand, three hundred thirty-eight".