10025666 has 16 divisors (see below), whose sum is σ = 17235456. Its totient is φ = 4284576.

The previous prime is 10025663. The next prime is 10025669. The reversal of 10025666 is 66652001.

10025666 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10025663) and next prime (10025669).

10025666 is strictly pandigital in base 8.

It is not an unprimeable number, because it can be changed into a prime (10025663) 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, 5615 + ... + 7181.

It is an arithmetic number, because the mean of its divisors is an integer number (1077216).

Almost surely, 2^10025666 is an apocalyptic number.

10025666 is a deficient number, since it is larger than the sum of its proper divisors (7209790).

10025666 is a wasteful number, since it uses less digits than its factorization.

10025666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2033.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 10025666 is about 3166.3332105134. Note that the first 3 decimals coincide. The cubic root of 10025666 is about 215.6276306057.

Adding to 10025666 its reverse (66652001), we get a palindrome (76677667).

The spelling of 10025666 in words is "ten million, twenty-five thousand, six hundred sixty-six".