16668274 has 8 divisors (see below), whose sum is σ = 28574208. Its totient is φ = 7143540.

The previous prime is 16668271. The next prime is 16668277. The reversal of 16668274 is 47286661.

It is an interprime number because it is at equal distance from previous prime (16668271) and next prime (16668277).

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 (16668271) 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, 595282 + ... + 595309.

It is an arithmetic number, because the mean of its divisors is an integer number (3571776).

Almost surely, 2^16668274 is an apocalyptic number.

16668274 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16668274 is a deficient number, since it is larger than the sum of its proper divisors (11905934).

16668274 is a wasteful number, since it uses less digits than its factorization.

16668274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190600.

The product of its digits is 96768, while the sum is 40.

The square root of 16668274 is about 4082.6797572183. The cubic root of 16668274 is about 255.4446886319. Note that the first 3 decimals are identical.

The spelling of 16668274 in words is "sixteen million, six hundred sixty-eight thousand, two hundred seventy-four".