1683336648 has 64 divisors (see below), whose sum is σ = 4818683520. Its totient is φ = 480038400.

The previous prime is 1683336623. The next prime is 1683336653. The reversal of 1683336648 is 8466333861.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1683336597 and 1683336606.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81628 + ... + 100148.

It is an arithmetic number, because the mean of its divisors is an integer number (75291930).

Almost surely, 2^1683336648 is an apocalyptic number.

It is an amenable number.

1683336648 is an abundant number, since it is smaller than the sum of its proper divisors (3135346872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1683336648 is a wasteful number, since it uses less digits than its factorization.

1683336648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19078 (or 19074 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 48.

The square root of 1683336648 is about 41028.4858116894. The cubic root of 1683336648 is about 1189.5708849894.

The spelling of 1683336648 in words is "one billion, six hundred eighty-three million, three hundred thirty-six thousand, six hundred forty-eight".