1664442613114 has 8 divisors (see below), whose sum is σ = 2582755779060. Its totient is φ = 803524020096.

The previous prime is 1664442613049. The next prime is 1664442613117. The reversal of 1664442613114 is 4113162444661.

It can be written as a sum of positive squares in 2 ways, for example, as 1614005089225 + 50437523889 = 1270435^2 + 224583^2 .

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

It is a super-3 number, since 3×1664442613114³ (a number of 38 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1664442613117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14348643159 + ... + 14348643274.

Almost surely, 2^{1664442613114} is an apocalyptic number.

1664442613114 is a deficient number, since it is larger than the sum of its proper divisors (918313165946).

1664442613114 is a wasteful number, since it uses less digits than its factorization.

1664442613114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28697286464.

The product of its digits is 331776, while the sum is 43.

The spelling of 1664442613114 in words is "one trillion, six hundred sixty-four billion, four hundred forty-two million, six hundred thirteen thousand, one hundred fourteen".