10265445666 has 48 divisors (see below), whose sum is σ = 26757057600. Its totient is φ = 2778616224.

The previous prime is 10265445613. The next prime is 10265445667. The reversal of 10265445666 is 66654456201.

It is not an unprimeable number, because it can be changed into a prime (10265445667) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2141601 + ... + 2146388.

It is an arithmetic number, because the mean of its divisors is an integer number (557438700).

Almost surely, 2^10265445666 is an apocalyptic number.

10265445666 is an abundant number, since it is smaller than the sum of its proper divisors (16491611934).

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

10265445666 is a wasteful number, since it uses less digits than its factorization.

10265445666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4288023 (or 4288020 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 10265445666 in words is "ten billion, two hundred sixty-five million, four hundred forty-five thousand, six hundred sixty-six".