42160161422 has 4 divisors (see below), whose sum is σ = 63240242136. Its totient is φ = 21080080710.

The previous prime is 42160161371. The next prime is 42160161427. The reversal of 42160161422 is 22416106124.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×42160161422² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42160161427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10540040354 + ... + 10540040357.

It is an arithmetic number, because the mean of its divisors is an integer number (15810060534).

Almost surely, 2^42160161422 is an apocalyptic number.

42160161422 is a deficient number, since it is larger than the sum of its proper divisors (21080080714).

42160161422 is a wasteful number, since it uses less digits than its factorization.

42160161422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21080080713.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 42160161422 its reverse (22416106124), we get a palindrome (64576267546).

The spelling of 42160161422 in words is "forty-two billion, one hundred sixty million, one hundred sixty-one thousand, four hundred twenty-two".