65838266086254 has 16 divisors (see below), whose sum is σ = 137401598788992. Its totient is φ = 20991910926008.

The previous prime is 65838266086249. The next prime is 65838266086259. The reversal of 65838266086254 is 45268066283856.

It is an interprime number because it is at equal distance from previous prime (65838266086249) and next prime (65838266086259).

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65838266086259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238544442204 + ... + 238544442479.

It is an arithmetic number, because the mean of its divisors is an integer number (8587599924312).

Almost surely, 2^{65838266086254} is an apocalyptic number.

65838266086254 is an abundant number, since it is smaller than the sum of its proper divisors (71563332702738).

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

65838266086254 is a wasteful number, since it uses less digits than its factorization.

65838266086254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477088884711.

The product of its (nonzero) digits is 796262400, while the sum is 69.

The spelling of 65838266086254 in words is "sixty-five trillion, eight hundred thirty-eight billion, two hundred sixty-six million, eighty-six thousand, two hundred fifty-four".