42212066165 has 8 divisors (see below), whose sum is σ = 50666041728. Its totient is φ = 33761944720.

The previous prime is 42212066069. The next prime is 42212066177. The reversal of 42212066165 is 56166021224.

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

It is not a de Polignac number, because 42212066165 - 2¹² = 42212062069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 939377 + ... + 983286.

It is an arithmetic number, because the mean of its divisors is an integer number (6333255216).

Almost surely, 2^42212066165 is an apocalyptic number.

It is an amenable number.

42212066165 is a deficient number, since it is larger than the sum of its proper divisors (8453975563).

42212066165 is a wasteful number, since it uses less digits than its factorization.

42212066165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1927059.

The product of its (nonzero) digits is 34560, while the sum is 35.

Adding to 42212066165 its reverse (56166021224), we get a palindrome (98378087389).

The spelling of 42212066165 in words is "forty-two billion, two hundred twelve million, sixty-six thousand, one hundred sixty-five".