201282166085 has 128 divisors (see below), whose sum is σ = 341869731840. Its totient is φ = 109566950400.

The previous prime is 201282166003. The next prime is 201282166097. The reversal of 201282166085 is 580661282102.

It is a happy number.

It is not a de Polignac number, because 201282166085 - 2⁸ = 201282165829 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 98041919 + ... + 98043971.

It is an arithmetic number, because the mean of its divisors is an integer number (2670857280).

Almost surely, 2^201282166085 is an apocalyptic number.

It is an amenable number.

201282166085 is a deficient number, since it is larger than the sum of its proper divisors (140587565755).

201282166085 is a wasteful number, since it uses less digits than its factorization.

201282166085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3139.

The product of its (nonzero) digits is 92160, while the sum is 41.

The spelling of 201282166085 in words is "two hundred one billion, two hundred eighty-two million, one hundred sixty-six thousand, eighty-five".