663240740143 has 8 divisors (see below), whose sum is σ = 683721594000. Its totient is φ = 643067869248.

The previous prime is 663240740119. The next prime is 663240740189. The reversal of 663240740143 is 341047042366.

It is a happy number.

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 663240740143 - 2¹⁷ = 663240609071 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 663240740096 and 663240740105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663240740843) 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, 76991368 + ... + 76999981.

It is an arithmetic number, because the mean of its divisors is an integer number (85465199250).

Almost surely, 2^663240740143 is an apocalyptic number.

663240740143 is a deficient number, since it is larger than the sum of its proper divisors (20480853857).

663240740143 is a wasteful number, since it uses less digits than its factorization.

663240740143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153991481.

The product of its (nonzero) digits is 290304, while the sum is 40.

The spelling of 663240740143 in words is "six hundred sixty-three billion, two hundred forty million, seven hundred forty thousand, one hundred forty-three".