2664144564023 has 8 divisors (see below), whose sum is σ = 2820894251760. Its totient is φ = 2507398798720.

The previous prime is 2664144563963. The next prime is 2664144564041. The reversal of 2664144564023 is 3204654414662.

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 2664144564023 - 2¹⁰ = 2664144562999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2664144564923) 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, 479933 + ... + 2357673.

It is an arithmetic number, because the mean of its divisors is an integer number (352611781470).

Almost surely, 2^{2664144564023} is an apocalyptic number.

2664144564023 is a deficient number, since it is larger than the sum of its proper divisors (156749687737).

2664144564023 is a wasteful number, since it uses less digits than its factorization.

2664144564023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1961217.

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

Adding to 2664144564023 its reverse (3204654414662), we get a palindrome (5868798978685).

The spelling of 2664144564023 in words is "two trillion, six hundred sixty-four billion, one hundred forty-four million, five hundred sixty-four thousand, twenty-three".