4166571331979 has 16 divisors (see below), whose sum is σ = 4798026863616. Its totient is φ = 3544219908000.

The previous prime is 4166571331939. The next prime is 4166571331987. The reversal of 4166571331979 is 9791331756614.

It is a cyclic number.

It is not a de Polignac number, because 4166571331979 - 2²⁴ = 4166554554763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4166571331919) 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 15 ways as a sum of consecutive naturals, for example, 851207 + ... + 3009600.

It is an arithmetic number, because the mean of its divisors is an integer number (299876678976).

Almost surely, 2^{4166571331979} is an apocalyptic number.

4166571331979 is a deficient number, since it is larger than the sum of its proper divisors (631455531637).

4166571331979 is a wasteful number, since it uses less digits than its factorization.

4166571331979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3861986.

The product of its digits is 25719120, while the sum is 62.

The spelling of 4166571331979 in words is "four trillion, one hundred sixty-six billion, five hundred seventy-one million, three hundred thirty-one thousand, nine hundred seventy-nine".