1711322661 has 4 divisors (see below), whose sum is σ = 2281763552. Its totient is φ = 1140881772.

The previous prime is 1711322621. The next prime is 1711322677. The reversal of 1711322661 is 1662231171.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1711322661 - 2¹¹ = 1711320613 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1711322611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285220441 + ... + 285220446.

It is an arithmetic number, because the mean of its divisors is an integer number (570440888).

Almost surely, 2^1711322661 is an apocalyptic number.

It is an amenable number.

1711322661 is a deficient number, since it is larger than the sum of its proper divisors (570440891).

1711322661 is an equidigital number, since it uses as much as digits as its factorization.

1711322661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570440890.

The product of its digits is 3024, while the sum is 30.

The square root of 1711322661 is about 41368.1358173172. The cubic root of 1711322661 is about 1196.1270183197.

The spelling of 1711322661 in words is "one billion, seven hundred eleven million, three hundred twenty-two thousand, six hundred sixty-one".