11611616 has 12 divisors (see below), whose sum is σ = 22860432. Its totient is φ = 5805792.

The previous prime is 11611609. The next prime is 11611627. The reversal of 11611616 is 61611611.

It is a super-2 number, since 2×11611616² = 269659252262912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11611591 and 11611600.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 181400 + ... + 181463.

It is an arithmetic number, because the mean of its divisors is an integer number (1905036).

Almost surely, 2^11611616 is an apocalyptic number.

11611616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11611616 is a deficient number, since it is larger than the sum of its proper divisors (11248816).

11611616 is an equidigital number, since it uses as much as digits as its factorization.

11611616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362873 (or 362865 counting only the distinct ones).

The product of its digits is 216, while the sum is 23.

The square root of 11611616 is about 3407.5821340065. The cubic root of 11611616 is about 226.4457748096.

The spelling of 11611616 in words is "eleven million, six hundred eleven thousand, six hundred sixteen".