42064028161 has 8 divisors (see below), whose sum is σ = 44291412000. Its totient is φ = 39837993120.

The previous prime is 42064028119. The next prime is 42064028197. The reversal of 42064028161 is 16182046024.

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

It is not a de Polignac number, because 42064028161 - 2⁷ = 42064028033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42064028261) 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, 272860 + ... + 398221.

It is an arithmetic number, because the mean of its divisors is an integer number (5536426500).

Almost surely, 2^42064028161 is an apocalyptic number.

It is an amenable number.

42064028161 is a deficient number, since it is larger than the sum of its proper divisors (2227383839).

42064028161 is a wasteful number, since it uses less digits than its factorization.

42064028161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674399.

The product of its (nonzero) digits is 18432, while the sum is 34.

The spelling of 42064028161 in words is "forty-two billion, sixty-four million, twenty-eight thousand, one hundred sixty-one".