203668520006 has 16 divisors (see below), whose sum is σ = 361185553440. Its totient is φ = 84276628800.

The previous prime is 203668519969. The next prime is 203668520023. The reversal of 203668520006 is 600025866302.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250822895 + ... + 250823706.

It is an arithmetic number, because the mean of its divisors is an integer number (22574097090).

Almost surely, 2^203668520006 is an apocalyptic number.

203668520006 is a deficient number, since it is larger than the sum of its proper divisors (157517033434).

203668520006 is a wasteful number, since it uses less digits than its factorization.

203668520006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501646639.

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 203668520006 in words is "two hundred three billion, six hundred sixty-eight million, five hundred twenty thousand, six".