1632321632 has 12 divisors (see below), whose sum is σ = 3213633276. Its totient is φ = 816160800.

The previous prime is 1632321629. The next prime is 1632321641. The reversal of 1632321632 is 2361232361.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 1632321595 and 1632321604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25504994 + ... + 25505057.

It is an arithmetic number, because the mean of its divisors is an integer number (267802773).

Almost surely, 2^1632321632 is an apocalyptic number.

It is an amenable number.

1632321632 is a deficient number, since it is larger than the sum of its proper divisors (1581311644).

1632321632 is an equidigital number, since it uses as much as digits as its factorization.

1632321632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51010061 (or 51010053 counting only the distinct ones).

The product of its digits is 7776, while the sum is 29.

The square root of 1632321632 is about 40402.0003465175. Note that the first 3 decimals coincide. The cubic root of 1632321632 is about 1177.4304019279.

Adding to 1632321632 its reverse (2361232361), we get a palindrome (3993553993).

The spelling of 1632321632 in words is "one billion, six hundred thirty-two million, three hundred twenty-one thousand, six hundred thirty-two".