11680516 has 18 divisors (see below), whose sum is σ = 21576030. Its totient is φ = 5532192.

The previous prime is 11680489. The next prime is 11680519. The reversal of 11680516 is 61508611.

It can be written as a sum of positive squares in only one way, i.e., 6482116 + 5198400 = 2546^2 + 2280^2 .

It is not an unprimeable number, because it can be changed into a prime (11680519) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2601 + ... + 5488.

Almost surely, 2^11680516 is an apocalyptic number.

It is an amenable number.

11680516 is a deficient number, since it is larger than the sum of its proper divisors (9895514).

11680516 is a wasteful number, since it uses less digits than its factorization.

11680516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8131 (or 8110 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 11680516 is about 3417.6769888332. The cubic root of 11680516 is about 226.8927799385.

The spelling of 11680516 in words is "eleven million, six hundred eighty thousand, five hundred sixteen".