42466645250161 has 4 divisors (see below), whose sum is σ = 46327249363824. Its totient is φ = 38606041136500.

The previous prime is 42466645250131. The next prime is 42466645250167. The reversal of 42466645250161 is 16105254666424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42466645250161 - 2¹⁹ = 42466644725873 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42466645250099 and 42466645250108.

It is not an unprimeable number, because it can be changed into a prime (42466645250167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1930302056815 + ... + 1930302056836.

It is an arithmetic number, because the mean of its divisors is an integer number (11581812340956).

Almost surely, 2^{42466645250161} is an apocalyptic number.

It is an amenable number.

42466645250161 is a deficient number, since it is larger than the sum of its proper divisors (3860604113663).

42466645250161 is a wasteful number, since it uses less digits than its factorization.

42466645250161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3860604113662.

The product of its (nonzero) digits is 8294400, while the sum is 52.

The spelling of 42466645250161 in words is "forty-two trillion, four hundred sixty-six billion, six hundred forty-five million, two hundred fifty thousand, one hundred sixty-one".