1633648672 has 24 divisors (see below), whose sum is σ = 3264253776. Its totient is φ = 804631872.

The previous prime is 1633648661. The next prime is 1633648729. The reversal of 1633648672 is 2768463361.

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 3 ways as a sum of consecutive naturals, for example, 378838 + ... + 383125.

It is an arithmetic number, because the mean of its divisors is an integer number (136010574).

Almost surely, 2^1633648672 is an apocalyptic number.

It is an amenable number.

1633648672 is a deficient number, since it is larger than the sum of its proper divisors (1630605104).

1633648672 is an equidigital number, since it uses as much as digits as its factorization.

1633648672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762040 (or 762032 counting only the distinct ones).

The product of its digits is 870912, while the sum is 46.

The square root of 1633648672 is about 40418.4199592216. The cubic root of 1633648672 is about 1177.7493901257.

The spelling of 1633648672 in words is "one billion, six hundred thirty-three million, six hundred forty-eight thousand, six hundred seventy-two".