1683868716 has 24 divisors (see below), whose sum is σ = 4365585840. Its totient is φ = 561289536.

The previous prime is 1683868651. The next prime is 1683868721. The reversal of 1683868716 is 6178683861.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7795581 + ... + 7795796.

It is an arithmetic number, because the mean of its divisors is an integer number (181899410).

Almost surely, 2^1683868716 is an apocalyptic number.

It is an amenable number.

1683868716 is an abundant number, since it is smaller than the sum of its proper divisors (2681717124).

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

1683868716 is a wasteful number, since it uses less digits than its factorization.

1683868716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15591390 (or 15591382 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The square root of 1683868716 is about 41034.9694285252. The cubic root of 1683868716 is about 1189.6962047283.

The spelling of 1683868716 in words is "one billion, six hundred eighty-three million, eight hundred sixty-eight thousand, seven hundred sixteen".