663141108808 has 8 divisors (see below), whose sum is σ = 1243389579030. Its totient is φ = 331570554400.

The previous prime is 663141108797. The next prime is 663141108871. The reversal of 663141108808 is 808801141366.

It can be written as a sum of positive squares in only one way, i.e., 614715585444 + 48425523364 = 784038^2 + 220058^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×663141108808² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41446319293 + ... + 41446319308.

Almost surely, 2^663141108808 is an apocalyptic number.

It is an amenable number.

663141108808 is a deficient number, since it is larger than the sum of its proper divisors (580248470222).

663141108808 is a wasteful number, since it uses less digits than its factorization.

663141108808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82892638607 (or 82892638603 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 46.

The spelling of 663141108808 in words is "six hundred sixty-three billion, one hundred forty-one million, one hundred eight thousand, eight hundred eight".