630527664 has 40 divisors (see below), whose sum is σ = 1754162032. Its totient is φ = 194008320.

The previous prime is 630527663. The next prime is 630527669. The reversal of 630527664 is 466725036.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (630527663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504607 + ... + 505854.

Almost surely, 2^630527664 is an apocalyptic number.

It is an amenable number.

630527664 is an abundant number, since it is smaller than the sum of its proper divisors (1123634368).

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

630527664 is a wasteful number, since it uses less digits than its factorization.

630527664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010485 (or 1010479 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 39.

The square root of 630527664 is about 25110.3099144555. The cubic root of 630527664 is about 857.5011580760.

The spelling of 630527664 in words is "six hundred thirty million, five hundred twenty-seven thousand, six hundred sixty-four".