630343665 has 96 divisors (see below), whose sum is σ = 1289882880. Its totient is φ = 278788608.

The previous prime is 630343661. The next prime is 630343687. The reversal of 630343665 is 566343036.

It is a happy number.

630343665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 630343665 - 2² = 630343661 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (630343661) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2343151 + ... + 2343419.

It is an arithmetic number, because the mean of its divisors is an integer number (13436280).

Almost surely, 2^630343665 is an apocalyptic number.

It is an amenable number.

630343665 is an abundant number, since it is smaller than the sum of its proper divisors (659539215).

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

630343665 is a wasteful number, since it uses less digits than its factorization.

630343665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503 (or 500 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 36.

The square root of 630343665 is about 25106.6458333247. The cubic root of 630343665 is about 857.4177386826.

The spelling of 630343665 in words is "six hundred thirty million, three hundred forty-three thousand, six hundred sixty-five".