630332306064 has 90 divisors (see below), whose sum is σ = 1813021296450. Its totient is φ = 204432035328.

The previous prime is 630332306033. The next prime is 630332306119. The reversal of 630332306064 is 460603233036.

630332306064 is a `hidden beast` number, since 6 + 303 + 3 + 230 + 60 + 64 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 326488817664 + 303843488400 = 571392^2 + 551220^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1401589 + ... + 1795860.

Almost surely, 2^630332306064 is an apocalyptic number.

It is an amenable number.

630332306064 is an abundant number, since it is smaller than the sum of its proper divisors (1182688990386).

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

630332306064 is a wasteful number, since it uses less digits than its factorization.

630332306064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3197537 (or 3197491 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 36.

It can be divided in two parts, 630332 and 306064, that added together give a triangular number (936396 = T₁₃₆₈).

The spelling of 630332306064 in words is "six hundred thirty billion, three hundred thirty-two million, three hundred six thousand, sixty-four".