16677242 has 8 divisors (see below), whose sum is σ = 25626132. Its totient is φ = 8135200.

The previous prime is 16677239. The next prime is 16677247. The reversal of 16677242 is 24277661.

It can be written as a sum of positive squares in 2 ways, for example, as 14984641 + 1692601 = 3871^2 + 1301^2 .

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

It is not an unprimeable number, because it can be changed into a prime (16677247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101609 + ... + 101772.

Almost surely, 2^16677242 is an apocalyptic number.

16677242 is a deficient number, since it is larger than the sum of its proper divisors (8948890).

16677242 is a wasteful number, since it uses less digits than its factorization.

16677242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203424.

The product of its digits is 28224, while the sum is 35.

The square root of 16677242 is about 4083.7779077712. Note that the first 3 decimals coincide. The cubic root of 16677242 is about 255.4904925595.

The spelling of 16677242 in words is "sixteen million, six hundred seventy-seven thousand, two hundred forty-two".