42204056161 has 8 divisors (see below), whose sum is σ = 42974422400. Its totient is φ = 41439593520.

The previous prime is 42204056131. The next prime is 42204056173. The reversal of 42204056161 is 16165040224.

It is a happy number.

42204056161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 42204056161 - 2¹⁷ = 42203925089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42204056101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1461471 + ... + 1490068.

It is an arithmetic number, because the mean of its divisors is an integer number (5371802800).

Almost surely, 2^42204056161 is an apocalyptic number.

It is an amenable number.

42204056161 is a deficient number, since it is larger than the sum of its proper divisors (770366239).

42204056161 is a wasteful number, since it uses less digits than its factorization.

42204056161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2951799.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 42204056161 its reverse (16165040224), we get a palindrome (58369096385).

The spelling of 42204056161 in words is "forty-two billion, two hundred four million, fifty-six thousand, one hundred sixty-one".