2142544166 has 8 divisors (see below), whose sum is σ = 3672932880. Its totient is φ = 918233208.

The previous prime is 2142544127. The next prime is 2142544181. The reversal of 2142544166 is 6614452412.

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

It is a congruent number.

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, 76519421 + ... + 76519448.

It is an arithmetic number, because the mean of its divisors is an integer number (459116610).

Almost surely, 2^2142544166 is an apocalyptic number.

2142544166 is a deficient number, since it is larger than the sum of its proper divisors (1530388714).

2142544166 is a wasteful number, since it uses less digits than its factorization.

2142544166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153038878.

The product of its digits is 46080, while the sum is 35.

The square root of 2142544166 is about 46287.6243287555. The cubic root of 2142544166 is about 1289.1692197014.

Adding to 2142544166 its reverse (6614452412), we get a palindrome (8756996578).

The spelling of 2142544166 in words is "two billion, one hundred forty-two million, five hundred forty-four thousand, one hundred sixty-six".