10666000 has 40 divisors (see below), whose sum is σ = 25795224. Its totient is φ = 4265600.

The previous prime is 10665983. The next prime is 10666001. The reversal of 10666000 is 66601.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 246016 + 10419984 = 496^2 + 3228^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×10666000² = 227527112000000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10666001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 667 + ... + 4666.

Almost surely, 2^10666000 is an apocalyptic number.

10666000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10666000 is an abundant number, since it is smaller than the sum of its proper divisors (15129224).

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

10666000 is an equidigital number, since it uses as much as digits as its factorization.

10666000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5356 (or 5340 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 10666000 is about 3265.8842600435. The cubic root of 10666000 is about 220.1238971540.

The spelling of 10666000 in words is "ten million, six hundred sixty-six thousand".