16672406 has 8 divisors (see below), whose sum is σ = 25034880. Its totient is φ = 8327448.

The previous prime is 16672391. The next prime is 16672417. The reversal of 16672406 is 60427661.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1661 + ... + 6008.

It is an arithmetic number, because the mean of its divisors is an integer number (3129360).

Almost surely, 2^16672406 is an apocalyptic number.

16672406 is a deficient number, since it is larger than the sum of its proper divisors (8362474).

16672406 is a wasteful number, since it uses less digits than its factorization.

16672406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8758.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 16672406 is about 4083.1857660410. The cubic root of 16672406 is about 255.4657948013.

The spelling of 16672406 in words is "sixteen million, six hundred seventy-two thousand, four hundred six".