16478147 has 8 divisors (see below), whose sum is σ = 18931296. Its totient is φ = 14049792.

The previous prime is 16478141. The next prime is 16478167. The reversal of 16478147 is 74187461.

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 16478147 - 2⁴ = 16478131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16478147.

It is not an unprimeable number, because it can be changed into a prime (16478141) 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 7 ways as a sum of consecutive naturals, for example, 4748 + ... + 7449.

It is an arithmetic number, because the mean of its divisors is an integer number (2366412).

Almost surely, 2^16478147 is an apocalyptic number.

16478147 is a deficient number, since it is larger than the sum of its proper divisors (2453149).

16478147 is a wasteful number, since it uses less digits than its factorization.

16478147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12397.

The product of its digits is 37632, while the sum is 38.

The square root of 16478147 is about 4059.3283927271. The cubic root of 16478147 is about 254.4697272298.

The spelling of 16478147 in words is "sixteen million, four hundred seventy-eight thousand, one hundred forty-seven".