1630160320 has 56 divisors (see below), whose sum is σ = 3887352144. Its totient is φ = 651134976.

The previous prime is 1630160293. The next prime is 1630160341. The reversal of 1630160320 is 230610361.

It is a junction number, because it is equal to n+sod(n) for n = 1630160291 and 1630160300.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 248604 + ... + 255076.

Almost surely, 2^1630160320 is an apocalyptic number.

1630160320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1630160320 is an abundant number, since it is smaller than the sum of its proper divisors (2257191824).

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

1630160320 is an equidigital number, since it uses as much as digits as its factorization.

1630160320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7277 (or 7267 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 1630160320 is about 40375.2439001921. The cubic root of 1630160320 is about 1176.9105047055.

Adding to 1630160320 its reverse (230610361), we get a palindrome (1860770681).

The spelling of 1630160320 in words is "one billion, six hundred thirty million, one hundred sixty thousand, three hundred twenty".