2142342461566 has 12 divisors (see below), whose sum is σ = 3413663335008. Its totient is φ = 1008161158112.

The previous prime is 2142342461477. The next prime is 2142342461569. The reversal of 2142342461566 is 6651642432412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142342461569) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1853236846 + ... + 1853238001.

It is an arithmetic number, because the mean of its divisors is an integer number (284471944584).

Almost surely, 2^{2142342461566} is an apocalyptic number.

2142342461566 is a deficient number, since it is larger than the sum of its proper divisors (1271320873442).

2142342461566 is a wasteful number, since it uses less digits than its factorization.

2142342461566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3706474883 (or 3706474866 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 46.

Adding to 2142342461566 its reverse (6651642432412), we get a palindrome (8793984893978).

The spelling of 2142342461566 in words is "two trillion, one hundred forty-two billion, three hundred forty-two million, four hundred sixty-one thousand, five hundred sixty-six".