663106056333250 has 32 divisors (see below), whose sum is σ = 1241343664838784. Its totient is φ = 265240472238000.

The previous prime is 663106056333187. The next prime is 663106056333299. The reversal of 663106056333250 is 52333650601366.

It is a junction number, because it is equal to n+sod(n) for n = 663106056333194 and 663106056333203.

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, 24557755 + ... + 43923745.

It is an arithmetic number, because the mean of its divisors is an integer number (38791989526212).

Almost surely, 2^{663106056333250} is an apocalyptic number.

663106056333250 is a deficient number, since it is larger than the sum of its proper divisors (578237608505534).

663106056333250 is a wasteful number, since it uses less digits than its factorization.

663106056333250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19502971 (or 19502961 counting only the distinct ones).

The product of its (nonzero) digits is 5248800, while the sum is 49.

The spelling of 663106056333250 in words is "six hundred sixty-three trillion, one hundred six billion, fifty-six million, three hundred thirty-three thousand, two hundred fifty".