1664354246222 has 8 divisors (see below), whose sum is σ = 2506977108000. Its totient is φ = 828695210224.

The previous prime is 1664354246221. The next prime is 1664354246237. The reversal of 1664354246222 is 2226424534661.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1664354246221) 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, 1740955847 + ... + 1740956802.

It is an arithmetic number, because the mean of its divisors is an integer number (313372138500).

Almost surely, 2^{1664354246222} is an apocalyptic number.

1664354246222 is a deficient number, since it is larger than the sum of its proper divisors (842622861778).

1664354246222 is a wasteful number, since it uses less digits than its factorization.

1664354246222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3481912890.

The product of its digits is 3317760, while the sum is 47.

The spelling of 1664354246222 in words is "one trillion, six hundred sixty-four billion, three hundred fifty-four million, two hundred forty-six thousand, two hundred twenty-two".