5668736838 has 16 divisors (see below), whose sum is σ = 11338214976. Its totient is φ = 1889455400.

The previous prime is 5668736809. The next prime is 5668736917. The reversal of 5668736838 is 8386378665.

It is a happy number.

It is a Curzon number.

It is a congruent number.

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, 150145 + ... + 184067.

It is an arithmetic number, because the mean of its divisors is an integer number (708638436).

Almost surely, 2^5668736838 is an apocalyptic number.

5668736838 is an abundant number, since it is smaller than the sum of its proper divisors (5669478138).

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

5668736838 is a wasteful number, since it uses less digits than its factorization.

5668736838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61779.

The product of its digits is 34836480, while the sum is 60.

The square root of 5668736838 is about 75291.0143244199. The cubic root of 5668736838 is about 1783.0441573640.

The spelling of 5668736838 in words is "five billion, six hundred sixty-eight million, seven hundred thirty-six thousand, eight hundred thirty-eight".