10666888 has 32 divisors (see below), whose sum is σ = 21704760. Its totient is φ = 4894720.

The previous prime is 10666879. The next prime is 10666891. The reversal of 10666888 is 88866601.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9622404 + 1044484 = 3102^2 + 1022^2 .

It is a super-2 number, since 2×10666888² = 227564999209088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4620 + ... + 6532.

Almost surely, 2^10666888 is an apocalyptic number.

It is an amenable number.

10666888 is an abundant number, since it is smaller than the sum of its proper divisors (11037872).

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

10666888 is a wasteful number, since it uses less digits than its factorization.

10666888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1977 (or 1973 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 43.

The square root of 10666888 is about 3266.0202081432. The cubic root of 10666888 is about 220.1300058045.

The spelling of 10666888 in words is "ten million, six hundred sixty-six thousand, eight hundred eighty-eight".