1632680768 has 14 divisors (see below), whose sum is σ = 3239851026. Its totient is φ = 816340352.

The previous prime is 1632680747. The next prime is 1632680771. The reversal of 1632680768 is 8670862361.

It can be written as a sum of positive squares in only one way, i.e., 1350709504 + 281971264 = 36752^2 + 16792^2 .

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, 12755255 + ... + 12755382.

Almost surely, 2^1632680768 is an apocalyptic number.

It is an amenable number.

1632680768 is a deficient number, since it is larger than the sum of its proper divisors (1607170258).

1632680768 is an equidigital number, since it uses as much as digits as its factorization.

1632680768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25510649 (or 25510639 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 1632680768 is about 40406.4446344887. Note that the first 3 decimals coincide. The cubic root of 1632680768 is about 1177.5167465610.

The spelling of 1632680768 in words is "one billion, six hundred thirty-two million, six hundred eighty thousand, seven hundred sixty-eight".