65836510422 has 32 divisors (see below), whose sum is σ = 133982933760. Its totient is φ = 21560952480.

The previous prime is 65836510409. The next prime is 65836510429. The reversal of 65836510422 is 22401563856.

It is a super-2 number, since 2×65836510422² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65836510429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 562903 + ... + 669725.

It is an arithmetic number, because the mean of its divisors is an integer number (4186966680).

Almost surely, 2^65836510422 is an apocalyptic number.

65836510422 is an abundant number, since it is smaller than the sum of its proper divisors (68146423338).

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

65836510422 is a wasteful number, since it uses less digits than its factorization.

65836510422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108628.

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 65836510422 in words is "sixty-five billion, eight hundred thirty-six million, five hundred ten thousand, four hundred twenty-two".