630140160 has 216 divisors, whose sum is σ = 2181471264. Its totient is φ = 154951680.

The previous prime is 630140141. The next prime is 630140167. The reversal of 630140160 is 61041036.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630140167) 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, 648475 + ... + 649445.

It is an arithmetic number, because the mean of its divisors is an integer number (10099404).

Almost surely, 2^630140160 is an apocalyptic number.

630140160 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 630140160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1090735632).

630140160 is an abundant number, since it is smaller than the sum of its proper divisors (1551331104).

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

630140160 is a wasteful number, since it uses less digits than its factorization.

630140160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021 (or 994 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 630140160 is about 25102.5926947796. The cubic root of 630140160 is about 857.3254569704.

Adding to 630140160 its reverse (61041036), we get a palindrome (691181196).

The spelling of 630140160 in words is "six hundred thirty million, one hundred forty thousand, one hundred sixty".