16666414 has 8 divisors (see below), whose sum is σ = 25247448. Its totient is φ = 8250600.

The previous prime is 16666381. The next prime is 16666417. The reversal of 16666414 is 41466661.

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

It is a self number, because there is not a number n which added to its sum of digits gives 16666414.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16666417) 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, 41052 + ... + 41455.

It is an arithmetic number, because the mean of its divisors is an integer number (3155931).

Almost surely, 2^16666414 is an apocalyptic number.

16666414 is a deficient number, since it is larger than the sum of its proper divisors (8581034).

16666414 is a wasteful number, since it uses less digits than its factorization.

16666414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82610.

The product of its digits is 20736, while the sum is 34.

The square root of 16666414 is about 4082.4519593009. The cubic root of 16666414 is about 255.4351866523.

The spelling of 16666414 in words is "sixteen million, six hundred sixty-six thousand, four hundred fourteen".