663722406203 has 8 divisors (see below), whose sum is σ = 664884464160. Its totient is φ = 662560698240.

The previous prime is 663722406131. The next prime is 663722406223. The reversal of 663722406203 is 302604227366.

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 663722406203 - 2¹⁰ = 663722405179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (663722406223) 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, 3864113 + ... + 4032221.

It is an arithmetic number, because the mean of its divisors is an integer number (83110558020).

Almost surely, 2^663722406203 is an apocalyptic number.

663722406203 is a deficient number, since it is larger than the sum of its proper divisors (1162057957).

663722406203 is a wasteful number, since it uses less digits than its factorization.

663722406203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174997.

The product of its (nonzero) digits is 435456, while the sum is 41.

The spelling of 663722406203 in words is "six hundred sixty-three billion, seven hundred twenty-two million, four hundred six thousand, two hundred three".