11161716 has 48 divisors (see below), whose sum is σ = 27936384. Its totient is φ = 3459456.

The previous prime is 11161687. The next prime is 11161763. The reversal of 11161716 is 61716111.

11161716 = 149² + 150² + ... + 332².

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9666 + ... + 10758.

It is an arithmetic number, because the mean of its divisors is an integer number (582008).

Almost surely, 2^11161716 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 11161716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13968192).

11161716 is an abundant number, since it is smaller than the sum of its proper divisors (16774668).

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

11161716 is a wasteful number, since it uses less digits than its factorization.

11161716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160 (or 1158 counting only the distinct ones).

The product of its digits is 252, while the sum is 24.

The square root of 11161716 is about 3340.9154434077. The cubic root of 11161716 is about 223.4825694958.

Adding to 11161716 its reverse (61716111), we get a palindrome (72877827).

The spelling of 11161716 in words is "eleven million, one hundred sixty-one thousand, seven hundred sixteen".