663334585433366 has 160 divisors (see below), whose sum is σ = 1313298546451200. Its totient is φ = 245805771879360.

The previous prime is 663334585433341. The next prime is 663334585433423.

663334585433366 is nontrivially palindromic in base 10.

It is a super-4 number, since 4×663334585433366⁴ (a number of 60 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 663334585433296 and 663334585433305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 397431701 + ... + 399097263.

It is an arithmetic number, because the mean of its divisors is an integer number (8208115915320).

Almost surely, 2^{663334585433366} is an apocalyptic number.

663334585433366 is a deficient number, since it is larger than the sum of its proper divisors (649963961017834).

663334585433366 is a wasteful number, since it uses less digits than its factorization.

663334585433366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1665712 (or 1665679 counting only the distinct ones).

The product of its digits is 3023308800, while the sum is 68.

The spelling of 663334585433366 in words is "six hundred sixty-three trillion, three hundred thirty-four billion, five hundred eighty-five million, four hundred thirty-three thousand, three hundred sixty-six".