1664341570222 has 8 divisors (see below), whose sum is σ = 2496523910400. Its totient is φ = 832166933424.

The previous prime is 1664341570217. The next prime is 1664341570249. The reversal of 1664341570222 is 2220751434661.

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

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, 1351447 + ... + 2270482.

It is an arithmetic number, because the mean of its divisors is an integer number (312065488800).

Almost surely, 2^{1664341570222} is an apocalyptic number.

1664341570222 is a deficient number, since it is larger than the sum of its proper divisors (832182340178).

1664341570222 is a wasteful number, since it uses less digits than its factorization.

1664341570222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3851690.

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 1664341570222 in words is "one trillion, six hundred sixty-four billion, three hundred forty-one million, five hundred seventy thousand, two hundred twenty-two".