4216166978 has 8 divisors (see below), whose sum is σ = 6349447440. Its totient is φ = 2099684500.

The previous prime is 4216166953. The next prime is 4216166987. The reversal of 4216166978 is 8796616124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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, 4198868 + ... + 4199871.

It is an arithmetic number, because the mean of its divisors is an integer number (793680930).

Almost surely, 2^4216166978 is an apocalyptic number.

4216166978 is a deficient number, since it is larger than the sum of its proper divisors (2133280462).

4216166978 is a wasteful number, since it uses less digits than its factorization.

4216166978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8398992.

The product of its digits is 870912, while the sum is 50.

The square root of 4216166978 is about 64932.0181266530. The cubic root of 4216166978 is about 1615.4961752517.

The spelling of 4216166978 in words is "four billion, two hundred sixteen million, one hundred sixty-six thousand, nine hundred seventy-eight".