10644666 has 16 divisors (see below), whose sum is σ = 21809088. Its totient is φ = 3461600.

The previous prime is 10644661. The next prime is 10644677. The reversal of 10644666 is 66644601.

10644666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10644666² = 226617828503112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10644661) 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, 21390 + ... + 21881.

It is an arithmetic number, because the mean of its divisors is an integer number (1363068).

Almost surely, 2^10644666 is an apocalyptic number.

10644666 is an abundant number, since it is smaller than the sum of its proper divisors (11164422).

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

10644666 is a wasteful number, since it uses less digits than its factorization.

10644666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43317.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 10644666 is about 3262.6164347039. The cubic root of 10644666 is about 219.9770361706.

The spelling of 10644666 in words is "ten million, six hundred forty-four thousand, six hundred sixty-six".