663411893004 has 480 divisors, whose sum is σ = 2099668386816. Its totient is φ = 178571796480.

The previous prime is 663411892993. The next prime is 663411893029. The reversal of 663411893004 is 400398114366.

663411893004 is a `hidden beast` number, since 6 + 634 + 1 + 1 + 8 + 9 + 3 + 0 + 0 + 4 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 1420581979 + ... + 1420582445.

Almost surely, 2^663411893004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 663411893004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1049834193408).

663411893004 is an abundant number, since it is smaller than the sum of its proper divisors (1436256493812).

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

663411893004 is a wasteful number, since it uses less digits than its factorization.

663411893004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867 (or 856 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 663411893004 in words is "six hundred sixty-three billion, four hundred eleven million, eight hundred ninety-three thousand, four".