16675138 has 12 divisors (see below), whose sum is σ = 26149158. Its totient is φ = 7974560.

The previous prime is 16675133. The next prime is 16675157. The reversal of 16675138 is 83157661.

It can be written as a sum of positive squares in only one way, i.e., 13373649 + 3301489 = 3657^2 + 1817^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16675097 and 16675106.

It is not an unprimeable number, because it can be changed into a prime (16675133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6823 + ... + 8938.

Almost surely, 2^16675138 is an apocalyptic number.

16675138 is a deficient number, since it is larger than the sum of its proper divisors (9474020).

16675138 is a wasteful number, since it uses less digits than its factorization.

16675138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15809 (or 15786 counting only the distinct ones).

The product of its digits is 30240, while the sum is 37.

The square root of 16675138 is about 4083.5202950396. The cubic root of 16675138 is about 255.4797478851.

The spelling of 16675138 in words is "sixteen million, six hundred seventy-five thousand, one hundred thirty-eight".