1000665441630 has 48 divisors (see below), whose sum is σ = 2627489876544. Its totient is φ = 264202094400.

The previous prime is 1000665441623. The next prime is 1000665441631. The reversal of 1000665441630 is 361445660001.

It is a happy number.

1000665441630 is a `hidden beast` number, since 10 + 0 + 0 + 6 + 6 + 5 + 4 + 4 + 1 + 630 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000665441631) 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, 55033014 + ... + 55051193.

It is an arithmetic number, because the mean of its divisors is an integer number (54739372428).

Almost surely, 2^{1000665441630} is an apocalyptic number.

1000665441630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1000665441630 is an abundant number, since it is smaller than the sum of its proper divisors (1626824434914).

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

1000665441630 is a wasteful number, since it uses less digits than its factorization.

1000665441630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110084321 (or 110084318 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 1000665441630 in words is "one trillion, six hundred sixty-five million, four hundred forty-one thousand, six hundred thirty".