816143078 has 16 divisors (see below), whose sum is σ = 1252208160. Its totient is φ = 398800896.

The previous prime is 816143051. The next prime is 816143093. The reversal of 816143078 is 870341618.

816143078 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12263 + ... + 42221.

It is an arithmetic number, because the mean of its divisors is an integer number (78263010).

Almost surely, 2^816143078 is an apocalyptic number.

816143078 is a deficient number, since it is larger than the sum of its proper divisors (436065082).

816143078 is a wasteful number, since it uses less digits than its factorization.

816143078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30271.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 816143078 is about 28568.2179703250. The cubic root of 816143078 is about 934.5203591009.

The spelling of 816143078 in words is "eight hundred sixteen million, one hundred forty-three thousand, seventy-eight".