1664360243041 has 8 divisors (see below), whose sum is σ = 1671675115520. Its totient is φ = 1657054769328.

The previous prime is 1664360242997. The next prime is 1664360243047. The reversal of 1664360243041 is 1403420634661.

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

It is a cyclic number.

It is not a de Polignac number, because 1664360243041 - 2⁷ = 1664360242913 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1664360242985 and 1664360243003.

It is not an unprimeable number, because it can be changed into a prime (1664360243047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1994631 + ... + 2703196.

It is an arithmetic number, because the mean of its divisors is an integer number (208959389440).

Almost surely, 2^{1664360243041} is an apocalyptic number.

It is an amenable number.

1664360243041 is a deficient number, since it is larger than the sum of its proper divisors (7314872479).

1664360243041 is a wasteful number, since it uses less digits than its factorization.

1664360243041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4699383.

The product of its (nonzero) digits is 248832, while the sum is 40.

The spelling of 1664360243041 in words is "one trillion, six hundred sixty-four billion, three hundred sixty million, two hundred forty-three thousand, forty-one".