16668934 has 8 divisors (see below), whose sum is σ = 25233120. Its totient is φ = 8257896.

The previous prime is 16668931. The next prime is 16668937. The reversal of 16668934 is 43986661.

It is an interprime number because it is at equal distance from previous prime (16668931) and next prime (16668937).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16668931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38014 + ... + 38449.

It is an arithmetic number, because the mean of its divisors is an integer number (3154140).

Almost surely, 2^16668934 is an apocalyptic number.

16668934 is a deficient number, since it is larger than the sum of its proper divisors (8564186).

16668934 is a wasteful number, since it uses less digits than its factorization.

16668934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76574.

The product of its digits is 186624, while the sum is 43.

The square root of 16668934 is about 4082.7605856822. The cubic root of 16668934 is about 255.4480601321.

The spelling of 16668934 in words is "sixteen million, six hundred sixty-eight thousand, nine hundred thirty-four".