68203871683 has 16 divisors (see below), whose sum is σ = 74333578240. Its totient is φ = 62340775200.

The previous prime is 68203871663. The next prime is 68203871707. The reversal of 68203871683 is 38617830286.

It is a cyclic number.

It is not a de Polignac number, because 68203871683 - 2⁵ = 68203871651 is a prime.

It is a super-2 number, since 2×68203871683² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68203871683.

It is not an unprimeable number, because it can be changed into a prime (68203871663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20041 + ... + 369877.

It is an arithmetic number, because the mean of its divisors is an integer number (4645848640).

Almost surely, 2^68203871683 is an apocalyptic number.

68203871683 is a deficient number, since it is larger than the sum of its proper divisors (6129706557).

68203871683 is a wasteful number, since it uses less digits than its factorization.

68203871683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350218.

The product of its (nonzero) digits is 2322432, while the sum is 52.

The spelling of 68203871683 in words is "sixty-eight billion, two hundred three million, eight hundred seventy-one thousand, six hundred eighty-three".