8178474016 has 24 divisors (see below), whose sum is σ = 16494089724. Its totient is φ = 3989498880.

The previous prime is 8178474013. The next prime is 8178474047. The reversal of 8178474016 is 6104748718.

It can be written as a sum of positive squares in 2 ways, for example, as 7896099600 + 282374416 = 88860^2 + 16804^2 .

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (8178474011) 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 3 ways as a sum of consecutive naturals, for example, 3115485 + ... + 3118108.

Almost surely, 2^8178474016 is an apocalyptic number.

It is an amenable number.

8178474016 is an abundant number, since it is smaller than the sum of its proper divisors (8315615708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8178474016 is a wasteful number, since it uses less digits than its factorization.

8178474016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6233644 (or 6233636 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 46.

The square root of 8178474016 is about 90434.9159119419. The cubic root of 8178474016 is about 2014.7635847886.

The spelling of 8178474016 in words is "eight billion, one hundred seventy-eight million, four hundred seventy-four thousand, sixteen".