201680360285 has 32 divisors (see below), whose sum is σ = 259943904000. Its totient is φ = 149681658880.

The previous prime is 201680360281. The next prime is 201680360309. The reversal of 201680360285 is 582063086102.

It is not a de Polignac number, because 201680360285 - 2² = 201680360281 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201680360281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1598336 + ... + 1719894.

It is an arithmetic number, because the mean of its divisors is an integer number (8123247000).

Almost surely, 2^201680360285 is an apocalyptic number.

It is an amenable number.

201680360285 is a deficient number, since it is larger than the sum of its proper divisors (58263543715).

201680360285 is a wasteful number, since it uses less digits than its factorization.

201680360285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121861.

The product of its (nonzero) digits is 138240, while the sum is 41.

The spelling of 201680360285 in words is "two hundred one billion, six hundred eighty million, three hundred sixty thousand, two hundred eighty-five".