1644116682014 has 8 divisors (see below), whose sum is σ = 2466501821208. Its totient is φ = 821949408280.

The previous prime is 1644116682007. The next prime is 1644116682029. The reversal of 1644116682014 is 4102866114461.

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

It is a super-3 number, since 3×1644116682014³ (a number of 38 digits) contains 333 as substring.

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, 54447497 + ... + 54477684.

It is an arithmetic number, because the mean of its divisors is an integer number (308312727651).

Almost surely, 2^{1644116682014} is an apocalyptic number.

1644116682014 is a deficient number, since it is larger than the sum of its proper divisors (822385139194).

1644116682014 is a wasteful number, since it uses less digits than its factorization.

1644116682014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108932730.

The product of its (nonzero) digits is 221184, while the sum is 44.

The spelling of 1644116682014 in words is "one trillion, six hundred forty-four billion, one hundred sixteen million, six hundred eighty-two thousand, fourteen".