16668298 has 8 divisors (see below), whose sum is σ = 25028640. Its totient is φ = 8325420.

The previous prime is 16668287. The next prime is 16668299. The reversal of 16668298 is 89286661.

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 (16668299) 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, 1638 + ... + 6001.

It is an arithmetic number, because the mean of its divisors is an integer number (3128580).

Almost surely, 2^16668298 is an apocalyptic number.

16668298 is a deficient number, since it is larger than the sum of its proper divisors (8360342).

16668298 is a wasteful number, since it uses less digits than its factorization.

16668298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8732.

The product of its digits is 248832, while the sum is 46.

The square root of 16668298 is about 4082.6826964632. The cubic root of 16668298 is about 255.4448112334. Note that the first 3 decimals are identical.

The spelling of 16668298 in words is "sixteen million, six hundred sixty-eight thousand, two hundred ninety-eight".