165550661610446 has 8 divisors (see below), whose sum is σ = 283801134189360. Its totient is φ = 70950283547328.

The previous prime is 165550661610377. The next prime is 165550661610473. The reversal of 165550661610446 is 644016166055561.

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

It is a junction number, because it is equal to n+sod(n) for n = 165550661610391 and 165550661610400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5912523628931 + ... + 5912523628958.

It is an arithmetic number, because the mean of its divisors is an integer number (35475141773670).

Almost surely, 2^{165550661610446} is an apocalyptic number.

165550661610446 is a deficient number, since it is larger than the sum of its proper divisors (118250472578914).

165550661610446 is a wasteful number, since it uses less digits than its factorization.

165550661610446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11825047257898.

The product of its (nonzero) digits is 15552000, while the sum is 56.

The spelling of 165550661610446 in words is "one hundred sixty-five trillion, five hundred fifty billion, six hundred sixty-one million, six hundred ten thousand, four hundred forty-six".