4163066978 has 16 divisors (see below), whose sum is σ = 7205976960. Its totient is φ = 1766848896.

The previous prime is 4163066977. The next prime is 4163066987. The reversal of 4163066978 is 8796603614.

It is a super-2 number, since 2×4163066978² = 34662253326628104968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4163066977) 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, 1442063 + ... + 1444946.

It is an arithmetic number, because the mean of its divisors is an integer number (450373560).

Almost surely, 2^4163066978 is an apocalyptic number.

4163066978 is a deficient number, since it is larger than the sum of its proper divisors (3042909982).

4163066978 is a wasteful number, since it uses less digits than its factorization.

4163066978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2887121.

The product of its (nonzero) digits is 1306368, while the sum is 50.

The square root of 4163066978 is about 64521.8333434505. The cubic root of 4163066978 is about 1608.6854460064.

The spelling of 4163066978 in words is "four billion, one hundred sixty-three million, sixty-six thousand, nine hundred seventy-eight".