201612711 has 4 divisors (see below), whose sum is σ = 268816952. Its totient is φ = 134408472.

The previous prime is 201612701. The next prime is 201612757. The reversal of 201612711 is 117216102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 201612711 - 2⁹ = 201612199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201612701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33602116 + ... + 33602121.

It is an arithmetic number, because the mean of its divisors is an integer number (67204238).

Almost surely, 2^201612711 is an apocalyptic number.

201612711 is a deficient number, since it is larger than the sum of its proper divisors (67204241).

201612711 is an equidigital number, since it uses as much as digits as its factorization.

201612711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67204240.

The product of its (nonzero) digits is 168, while the sum is 21.

The square root of 201612711 is about 14199.0390872059. The cubic root of 201612711 is about 586.3712067178.

Adding to 201612711 its reverse (117216102), we get a palindrome (318828813).

The spelling of 201612711 in words is "two hundred one million, six hundred twelve thousand, seven hundred eleven".