1683248868 has 72 divisors (see below), whose sum is σ = 4899935040. Its totient is φ = 477247680.

The previous prime is 1683248851. The next prime is 1683248869. The reversal of 1683248868 is 8688423861.

It is not an unprimeable number, because it can be changed into a prime (1683248869) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7518 + ... + 58506.

Almost surely, 2^1683248868 is an apocalyptic number.

1683248868 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1683248868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2449967520).

1683248868 is an abundant number, since it is smaller than the sum of its proper divisors (3216686172).

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

1683248868 is a wasteful number, since it uses less digits than its factorization.

1683248868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51137 (or 51132 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 54.

The square root of 1683248868 is about 41027.4160531711. The cubic root of 1683248868 is about 1189.5502073375.

The spelling of 1683248868 in words is "one billion, six hundred eighty-three million, two hundred forty-eight thousand, eight hundred sixty-eight".