16670634 has 8 divisors (see below), whose sum is σ = 33341280. Its totient is φ = 5556876.

The previous prime is 16670623. The next prime is 16670639. The reversal of 16670634 is 43607661.

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

16670634 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 16670595 and 16670604.

It is not an unprimeable number, because it can be changed into a prime (16670639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1389214 + ... + 1389225.

It is an arithmetic number, because the mean of its divisors is an integer number (4167660).

Almost surely, 2^16670634 is an apocalyptic number.

16670634 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16670634 is a wasteful number, since it uses less digits than its factorization.

16670634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2778444.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 16670634 is about 4082.9687728416. The cubic root of 16670634 is about 255.4567438896.

The spelling of 16670634 in words is "sixteen million, six hundred seventy thousand, six hundred thirty-four".