16892138 has 8 divisors (see below), whose sum is σ = 25356132. Its totient is φ = 8440096.

The previous prime is 16892137. The next prime is 16892153. The reversal of 16892138 is 83129861.

It can be written as a sum of positive squares in 2 ways, for example, as 16540489 + 351649 = 4067^2 + 593^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×16892138² = 570688652422088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16892131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2756 + ... + 6432.

Almost surely, 2^16892138 is an apocalyptic number.

16892138 is a deficient number, since it is larger than the sum of its proper divisors (8463994).

16892138 is a wasteful number, since it uses less digits than its factorization.

16892138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5976.

The product of its digits is 20736, while the sum is 38.

The square root of 16892138 is about 4110.0046228684. The cubic root of 16892138 is about 256.5831939351.

Subtracting from 16892138 its sum of digits (38), we obtain a square (16892100 = 4110²).

The spelling of 16892138 in words is "sixteen million, eight hundred ninety-two thousand, one hundred thirty-eight".