201061116 has 126 divisors (see below), whose sum is σ = 559685952. Its totient is φ = 63160560.

The previous prime is 201061103. The next prime is 201061127. The reversal of 201061116 is 611160102.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 1052581 + ... + 1052771.

It is an arithmetic number, because the mean of its divisors is an integer number (4441952).

Almost surely, 2^201061116 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 201061116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279842976).

201061116 is an abundant number, since it is smaller than the sum of its proper divisors (358624836).

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

201061116 is a wasteful number, since it uses less digits than its factorization.

201061116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 201061116 is about 14179.6021100735. The cubic root of 201061116 is about 585.8359646014.

The spelling of 201061116 in words is "two hundred one million, sixty-one thousand, one hundred sixteen".