201080065536 has 960 divisors, whose sum is σ = 729253324800. Its totient is φ = 52071579648.

The previous prime is 201080065523. The next prime is 201080065541. The reversal of 201080065536 is 635560080102.

201080065536 is a `hidden beast` number, since 20 + 1 + 0 + 80 + 0 + 6 + 553 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 201080065536.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2422651351 + ... + 2422651433.

It is an arithmetic number, because the mean of its divisors is an integer number (759638880).

Almost surely, 2^201080065536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201080065536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (364626662400).

201080065536 is an abundant number, since it is smaller than the sum of its proper divisors (528173259264).

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

201080065536 is a wasteful number, since it uses less digits than its factorization.

201080065536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 201080065536 in words is "two hundred one billion, eighty million, sixty-five thousand, five hundred thirty-six".