663000864104 has 16 divisors (see below), whose sum is σ = 1243268969220. Its totient is φ = 331462472320.

The previous prime is 663000864083. The next prime is 663000864109. The reversal of 663000864104 is 401468000366.

It can be written as a sum of positive squares in 2 ways, for example, as 632199912100 + 30800952004 = 795110^2 + 175502^2 .

It is not an unprimeable number, because it can be changed into a prime (663000864109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4670669 + ... + 4810524.

Almost surely, 2^663000864104 is an apocalyptic number.

It is an amenable number.

663000864104 is a deficient number, since it is larger than the sum of its proper divisors (580268105116).

663000864104 is a wasteful number, since it uses less digits than its factorization.

663000864104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9489940 (or 9489936 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 663000864104 in words is "six hundred sixty-three billion, eight hundred sixty-four thousand, one hundred four".