42166641129 has 32 divisors (see below), whose sum is σ = 59803852800. Its totient is φ = 26372174400.

The previous prime is 42166641107. The next prime is 42166641163. The reversal of 42166641129 is 92114666124.

It is not a de Polignac number, because 42166641129 - 2⁷ = 42166641001 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42166641199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 797487 + ... + 848715.

It is an arithmetic number, because the mean of its divisors is an integer number (1868870400).

Almost surely, 2^42166641129 is an apocalyptic number.

It is an amenable number.

42166641129 is a deficient number, since it is larger than the sum of its proper divisors (17637211671).

42166641129 is a wasteful number, since it uses less digits than its factorization.

42166641129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51485.

The product of its digits is 124416, while the sum is 42.

The spelling of 42166641129 in words is "forty-two billion, one hundred sixty-six million, six hundred forty-one thousand, one hundred twenty-nine".