1630355332 has 12 divisors (see below), whose sum is σ = 2881371276. Its totient is φ = 807106400.

The previous prime is 1630355327. The next prime is 1630355333. The reversal of 1630355332 is 2335530361.

It can be written as a sum of positive squares in 2 ways, for example, as 1560566016 + 69789316 = 39504^2 + 8354^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1630355294 and 1630355303.

It is not an unprimeable number, because it can be changed into a prime (1630355333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2017363 + ... + 2018170.

It is an arithmetic number, because the mean of its divisors is an integer number (240114273).

Almost surely, 2^1630355332 is an apocalyptic number.

It is an amenable number.

1630355332 is a deficient number, since it is larger than the sum of its proper divisors (1251015944).

1630355332 is a wasteful number, since it uses less digits than its factorization.

1630355332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4035638 (or 4035636 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 31.

The square root of 1630355332 is about 40377.6588226707. The cubic root of 1630355332 is about 1176.9574331205.

Adding to 1630355332 its reverse (2335530361), we get a palindrome (3965885693).

The spelling of 1630355332 in words is "one billion, six hundred thirty million, three hundred fifty-five thousand, three hundred thirty-two".