201660363200 has 42 divisors (see below), whose sum is σ = 496210535136. Its totient is φ = 80664144640.

The previous prime is 201660363199. The next prime is 201660363209. The reversal of 201660363200 is 2363066102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201660363209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63017264 + ... + 63020463.

Almost surely, 2^201660363200 is an apocalyptic number.

201660363200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201660363200 is an abundant number, since it is smaller than the sum of its proper divisors (294550171936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201660363200 is a wasteful number, since it uses less digits than its factorization.

201660363200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126037749 (or 126037734 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

The spelling of 201660363200 in words is "two hundred one billion, six hundred sixty million, three hundred sixty-three thousand, two hundred".