10611216 has 240 divisors, whose sum is σ = 39580800. Its totient is φ = 2661120.

The previous prime is 10611157. The next prime is 10611221. The reversal of 10611216 is 61211601.

It is a super-2 number, since 2×10611216² = 225195809997312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 365890 + ... + 365918.

It is an arithmetic number, because the mean of its divisors is an integer number (164920).

Almost surely, 2^10611216 is an apocalyptic number.

10611216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10611216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19790400).

10611216 is an abundant number, since it is smaller than the sum of its proper divisors (28969584).

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

10611216 is a wasteful number, since it uses less digits than its factorization.

10611216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75 (or 52 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 10611216 is about 3257.4861473228. The cubic root of 10611216 is about 219.7463743883.

Adding to 10611216 its reverse (61211601), we get a palindrome (71822817).

The spelling of 10611216 in words is "ten million, six hundred eleven thousand, two hundred sixteen".