11661016 has 16 divisors (see below), whose sum is σ = 22618800. Its totient is φ = 5629344.

The previous prime is 11661011. The next prime is 11661019. The reversal of 11661016 is 61016611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11661011) 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, 24900 + ... + 25363.

It is an arithmetic number, because the mean of its divisors is an integer number (1413675).

Almost surely, 2^11661016 is an apocalyptic number.

It is an amenable number.

11661016 is a deficient number, since it is larger than the sum of its proper divisors (10957784).

11661016 is a wasteful number, since it uses less digits than its factorization.

11661016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50298 (or 50294 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 11661016 is about 3414.8229822350. The cubic root of 11661016 is about 226.7664478028.

Adding to 11661016 its reverse (61016611), we get a palindrome (72677627).

The spelling of 11661016 in words is "eleven million, six hundred sixty-one thousand, sixteen".