16478055 has 24 divisors (see below), whose sum is σ = 31159440. Its totient is φ = 7989120.

The previous prime is 16478039. The next prime is 16478087. The reversal of 16478055 is 55087461.

16478055 is a `hidden beast` number, since 1 + 647 + 8 + 0 + 5 + 5 = 666.

It is not a de Polignac number, because 16478055 - 2⁴ = 16478039 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16150 + ... + 17139.

It is an arithmetic number, because the mean of its divisors is an integer number (1298310).

Almost surely, 2^16478055 is an apocalyptic number.

16478055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16478055 is a deficient number, since it is larger than the sum of its proper divisors (14681385).

16478055 is a wasteful number, since it uses less digits than its factorization.

16478055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33311 (or 33308 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 16478055 is about 4059.3170607874. The cubic root of 16478055 is about 254.4692536479.

The spelling of 16478055 in words is "sixteen million, four hundred seventy-eight thousand, fifty-five".