65838266086264 has 32 divisors (see below), whose sum is σ = 141107976576000. Its totient is φ = 28211204187360.

The previous prime is 65838266086259. The next prime is 65838266086267. The reversal of 65838266086264 is 46268066283856.

It is a junction number, because it is equal to n+sod(n) for n = 65838266086193 and 65838266086202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65838266086267) 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, 107934064 + ... + 108542335.

It is an arithmetic number, because the mean of its divisors is an integer number (4409624268000).

Almost surely, 2^{65838266086264} is an apocalyptic number.

It is an amenable number.

65838266086264 is an abundant number, since it is smaller than the sum of its proper divisors (75269710489736).

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

65838266086264 is a wasteful number, since it uses less digits than its factorization.

65838266086264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216481843 (or 216481839 counting only the distinct ones).

The product of its (nonzero) digits is 955514880, while the sum is 70.

The spelling of 65838266086264 in words is "sixty-five trillion, eight hundred thirty-eight billion, two hundred sixty-six million, eighty-six thousand, two hundred sixty-four".