4278205168 has 40 divisors (see below), whose sum is σ = 8460462960. Its totient is φ = 2095127040.

The previous prime is 4278205163. The next prime is 4278205207. The reversal of 4278205168 is 8615028724.

It is a happy number.

4278205168 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4278205163) 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, 253308 + ... + 269668.

It is an arithmetic number, because the mean of its divisors is an integer number (211511574).

Almost surely, 2^4278205168 is an apocalyptic number.

It is an amenable number.

4278205168 is a deficient number, since it is larger than the sum of its proper divisors (4182257792).

4278205168 is a wasteful number, since it uses less digits than its factorization.

4278205168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16705 (or 16699 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 43.

The square root of 4278205168 is about 65407.9900929542. The cubic root of 4278205168 is about 1623.3812889805.

The spelling of 4278205168 in words is "four billion, two hundred seventy-eight million, two hundred five thousand, one hundred sixty-eight".