1641803248 has 20 divisors (see below), whose sum is σ = 3248676000. Its totient is φ = 803435264.

The previous prime is 1641803239. The next prime is 1641803249. The reversal of 1641803248 is 8423081461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1641803249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1090873 + ... + 1092376.

It is an arithmetic number, because the mean of its divisors is an integer number (162433800).

Almost surely, 2^1641803248 is an apocalyptic number.

It is an amenable number.

1641803248 is a deficient number, since it is larger than the sum of its proper divisors (1606872752).

1641803248 is a wasteful number, since it uses less digits than its factorization.

1641803248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2183304 (or 2183298 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 1641803248 is about 40519.1713636891. The cubic root of 1641803248 is about 1179.7057697890.

The spelling of 1641803248 in words is "one billion, six hundred forty-one million, eight hundred three thousand, two hundred forty-eight".