4278052183866 has 16 divisors (see below), whose sum is σ = 8639173343424. Its totient is φ = 1412172565344.

The previous prime is 4278052183859. The next prime is 4278052183903. The reversal of 4278052183866 is 6683812508724.

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, 3461206651 + ... + 3461207886.

It is an arithmetic number, because the mean of its divisors is an integer number (539948333964).

Almost surely, 2^{4278052183866} is an apocalyptic number.

4278052183866 is an abundant number, since it is smaller than the sum of its proper divisors (4361121159558).

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

4278052183866 is a wasteful number, since it uses less digits than its factorization.

4278052183866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6922414645.

The product of its (nonzero) digits is 30965760, while the sum is 60.

The spelling of 4278052183866 in words is "four trillion, two hundred seventy-eight billion, fifty-two million, one hundred eighty-three thousand, eight hundred sixty-six".