11191616 has 28 divisors (see below), whose sum is σ = 23176992. Its totient is φ = 5351808.

The previous prime is 11191603. The next prime is 11191657. The reversal of 11191616 is 61619111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2330 + ... + 5273.

Almost surely, 2^11191616 is an apocalyptic number.

11191616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11191616 is an abundant number, since it is smaller than the sum of its proper divisors (11985376).

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

11191616 is an equidigital number, since it uses as much as digits as its factorization.

11191616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7638 (or 7628 counting only the distinct ones).

The product of its digits is 324, while the sum is 26.

The square root of 11191616 is about 3345.3872720509. The cubic root of 11191616 is about 223.6819465748.

The spelling of 11191616 in words is "eleven million, one hundred ninety-one thousand, six hundred sixteen".