663538335042 has 32 divisors (see below), whose sum is σ = 1448090167104. Its totient is φ = 201020811200.

The previous prime is 663538334999. The next prime is 663538335077. The reversal of 663538335042 is 240533835366.

It is a junction number, because it is equal to n+sod(n) for n = 663538334982 and 663538335000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1024809 + ... + 1541852.

It is an arithmetic number, because the mean of its divisors is an integer number (45252817722).

Almost surely, 2^663538335042 is an apocalyptic number.

663538335042 is an abundant number, since it is smaller than the sum of its proper divisors (784551832062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

663538335042 is a wasteful number, since it uses less digits than its factorization.

663538335042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2570594.

The product of its (nonzero) digits is 4665600, while the sum is 48.

The spelling of 663538335042 in words is "six hundred sixty-three billion, five hundred thirty-eight million, three hundred thirty-five thousand, forty-two".