65330343936 has 936 divisors, whose sum is σ = 243757476144. Its totient is φ = 17199267840.

The previous prime is 65330343893. The next prime is 65330343937. The reversal of 65330343936 is 63934303356.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (936).

It is a junction number, because it is equal to n+sod(n) for n = 65330343891 and 65330343900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65330343937) 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 71 ways as a sum of consecutive naturals, for example, 3842961400 + ... + 3842961416.

It is an arithmetic number, because the mean of its divisors is an integer number (260424654).

Almost surely, 2^65330343936 is an apocalyptic number.

65330343936 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65330343936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121878738072).

65330343936 is an abundant number, since it is smaller than the sum of its proper divisors (178427132208).

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

65330343936 is an equidigital number, since it uses as much as digits as its factorization.

65330343936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89 (or 46 counting only the distinct ones).

The product of its (nonzero) digits is 1574640, while the sum is 45.

The spelling of 65330343936 in words is "sixty-five billion, three hundred thirty million, three hundred forty-three thousand, nine hundred thirty-six".