42342351644161 has 16 divisors (see below), whose sum is σ = 42754370595840. Its totient is φ = 41930998583040.

The previous prime is 42342351644147. The next prime is 42342351644231. The reversal of 42342351644161 is 16144615324324.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 42342351644161 - 2¹¹ = 42342351642113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42342351644141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 975541086 + ... + 975584488.

It is an arithmetic number, because the mean of its divisors is an integer number (2672148162240).

Almost surely, 2^{42342351644161} is an apocalyptic number.

It is an amenable number.

42342351644161 is a deficient number, since it is larger than the sum of its proper divisors (412018951679).

42342351644161 is a wasteful number, since it uses less digits than its factorization.

42342351644161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50856.

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

Adding to 42342351644161 its reverse (16144615324324), we get a palindrome (58486966968485).

The spelling of 42342351644161 in words is "forty-two trillion, three hundred forty-two billion, three hundred fifty-one million, six hundred forty-four thousand, one hundred sixty-one".