10921168 has 20 divisors (see below), whose sum is σ = 21890340. Its totient is φ = 5272064.

The previous prime is 10921147. The next prime is 10921171. The reversal of 10921168 is 86112901.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4631104 + 6290064 = 2152^2 + 2508^2 .

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, 11305 + ... + 12232.

It is an arithmetic number, because the mean of its divisors is an integer number (1094517).

Almost surely, 2^10921168 is an apocalyptic number.

It is an amenable number.

10921168 is an abundant number, since it is smaller than the sum of its proper divisors (10969172).

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

10921168 is a wasteful number, since it uses less digits than its factorization.

10921168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23574 (or 23568 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 28.

The square root of 10921168 is about 3304.7190500858. The cubic root of 10921168 is about 221.8654596969.

The spelling of 10921168 in words is "ten million, nine hundred twenty-one thousand, one hundred sixty-eight".