10663203506 has 8 divisors (see below), whose sum is σ = 16090583040. Its totient is φ = 5299675828.

The previous prime is 10663203479. The next prime is 10663203547. The reversal of 10663203506 is 60530236601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×10663203506² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15962546 + ... + 15963213.

It is an arithmetic number, because the mean of its divisors is an integer number (2011322880).

Almost surely, 2^10663203506 is an apocalyptic number.

10663203506 is a deficient number, since it is larger than the sum of its proper divisors (5427379534).

10663203506 is a wasteful number, since it uses less digits than its factorization.

10663203506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31925928.

The product of its (nonzero) digits is 19440, while the sum is 32.

The spelling of 10663203506 in words is "ten billion, six hundred sixty-three million, two hundred three thousand, five hundred six".