1665066442322 has 64 divisors (see below), whose sum is σ = 2685304742400. Its totient is φ = 772861931520.

The previous prime is 1665066442253. The next prime is 1665066442379. The reversal of 1665066442322 is 2232446605661.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55114073 + ... + 55144275.

It is an arithmetic number, because the mean of its divisors is an integer number (41957886600).

Almost surely, 2^{1665066442322} is an apocalyptic number.

1665066442322 is a deficient number, since it is larger than the sum of its proper divisors (1020238300078).

1665066442322 is a wasteful number, since it uses less digits than its factorization.

1665066442322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30611.

The product of its (nonzero) digits is 2488320, while the sum is 47.

The spelling of 1665066442322 in words is "one trillion, six hundred sixty-five billion, sixty-six million, four hundred forty-two thousand, three hundred twenty-two".