10951866 has 48 divisors (see below), whose sum is σ = 25808640. Its totient is φ = 3343680.

The previous prime is 10951861. The next prime is 10951873. The reversal of 10951866 is 66815901.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10951866.

It is not an unprimeable number, because it can be changed into a prime (10951861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10086 + ... + 11118.

It is an arithmetic number, because the mean of its divisors is an integer number (537680).

Almost surely, 2^10951866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10951866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12904320).

10951866 is an abundant number, since it is smaller than the sum of its proper divisors (14856774).

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

10951866 is a wasteful number, since it uses less digits than its factorization.

10951866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091 (or 1088 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 10951866 is about 3309.3603611574. The cubic root of 10951866 is about 222.0731436606.

The spelling of 10951866 in words is "ten million, nine hundred fifty-one thousand, eight hundred sixty-six".