1632416728 has 32 divisors (see below), whose sum is σ = 3173580000. Its totient is φ = 786257920.

The previous prime is 1632416719. The next prime is 1632416741. The reversal of 1632416728 is 8276142361.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96333 + ... + 112003.

It is an arithmetic number, because the mean of its divisors is an integer number (99174375).

Almost surely, 2^1632416728 is an apocalyptic number.

It is an amenable number.

1632416728 is a deficient number, since it is larger than the sum of its proper divisors (1541163272).

1632416728 is a wasteful number, since it uses less digits than its factorization.

1632416728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16155 (or 16151 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 1632416728 is about 40403.1772017994. The cubic root of 1632416728 is about 1177.4532664470.

The spelling of 1632416728 in words is "one billion, six hundred thirty-two million, four hundred sixteen thousand, seven hundred twenty-eight".