16478871 has 8 divisors (see below), whose sum is σ = 23128320. Its totient is φ = 10407672.

The previous prime is 16478863. The next prime is 16478881. The reversal of 16478871 is 17887461.

It is a happy number.

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

It is not a de Polignac number, because 16478871 - 2³ = 16478863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16478881) 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, 144495 + ... + 144608.

It is an arithmetic number, because the mean of its divisors is an integer number (2891040).

Almost surely, 2^16478871 is an apocalyptic number.

16478871 is a deficient number, since it is larger than the sum of its proper divisors (6649449).

16478871 is a wasteful number, since it uses less digits than its factorization.

16478871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289125.

The product of its digits is 75264, while the sum is 42.

The square root of 16478871 is about 4059.4175690609. The cubic root of 16478871 is about 254.4734540523.

The spelling of 16478871 in words is "sixteen million, four hundred seventy-eight thousand, eight hundred seventy-one".