65835653855 has 8 divisors (see below), whose sum is σ = 80929682064. Its totient is φ = 51383924800.

The previous prime is 65835653827. The next prime is 65835653879. The reversal of 65835653855 is 55835653856.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 65835653855 - 2²⁰ = 65834605279 is a prime.

It is a super-2 number, since 2×65835653855² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65835653794 and 65835653803.

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, 160574561 + ... + 160574970.

It is an arithmetic number, because the mean of its divisors is an integer number (10116210258).

Almost surely, 2^65835653855 is an apocalyptic number.

65835653855 is a deficient number, since it is larger than the sum of its proper divisors (15094028209).

65835653855 is a wasteful number, since it uses less digits than its factorization.

65835653855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321149577.

The product of its digits is 64800000, while the sum is 59.

Subtracting from 65835653855 its reverse (55835653856), we obtain a palindrome (9999999999).

The spelling of 65835653855 in words is "sixty-five billion, eight hundred thirty-five million, six hundred fifty-three thousand, eight hundred fifty-five".