630600064 has 16 divisors (see below), whose sum is σ = 1256273820. Its totient is φ = 315299968.

The previous prime is 630600059. The next prime is 630600067. The reversal of 630600064 is 460006036.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630600067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2463154 + ... + 2463409.

Almost surely, 2^630600064 is an apocalyptic number.

630600064 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

630600064 is a deficient number, since it is larger than the sum of its proper divisors (625673756).

630600064 is an equidigital number, since it uses as much as digits as its factorization.

630600064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4926577 (or 4926565 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 630600064 is about 25111.7515119914. The cubic root of 630600064 is about 857.5339775230.

The spelling of 630600064 in words is "six hundred thirty million, six hundred thousand, sixty-four".