16666941 has 8 divisors (see below), whose sum is σ = 22472640. Its totient is φ = 10986272.

The previous prime is 16666931. The next prime is 16666957. The reversal of 16666941 is 14966661.

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

It is a cyclic number.

It is not a de Polignac number, because 16666941 - 2⁶ = 16666877 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16666941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16666921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30945 + ... + 31478.

It is an arithmetic number, because the mean of its divisors is an integer number (2809080).

Almost surely, 2^16666941 is an apocalyptic number.

It is an amenable number.

16666941 is a deficient number, since it is larger than the sum of its proper divisors (5805699).

16666941 is an equidigital number, since it uses as much as digits as its factorization.

16666941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62515.

The product of its digits is 46656, while the sum is 39.

The square root of 16666941 is about 4082.5165033347. The cubic root of 16666941 is about 255.4378789516.

The spelling of 16666941 in words is "sixteen million, six hundred sixty-six thousand, nine hundred forty-one".