201116461 has 32 divisors (see below), whose sum is σ = 256256000. Its totient is φ = 153607104.

The previous prime is 201116453. The next prime is 201116471. The reversal of 201116461 is 164611102.

It is not a de Polignac number, because 201116461 - 2³ = 201116453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201116401) 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, 402790 + ... + 403288.

It is an arithmetic number, because the mean of its divisors is an integer number (8008000).

Almost surely, 2^201116461 is an apocalyptic number.

It is an amenable number.

201116461 is a deficient number, since it is larger than the sum of its proper divisors (55139539).

201116461 is a wasteful number, since it uses less digits than its factorization.

201116461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 201116461 is about 14181.5535467734. The cubic root of 201116461 is about 585.8897129634.

Adding to 201116461 its reverse (164611102), we get a palindrome (365727563).

The spelling of 201116461 in words is "two hundred one million, one hundred sixteen thousand, four hundred sixty-one".