65354354880 has 112 divisors (see below), whose sum is σ = 207625761024. Its totient is φ = 17417272320.

The previous prime is 65354354867. The next prime is 65354354881. The reversal of 65354354880 is 8845345356.

It is not an unprimeable number, because it can be changed into a prime (65354354881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1634325 + ... + 1673835.

Almost surely, 2^65354354880 is an apocalyptic number.

65354354880 is a gapful number since it is divisible by the number (60) 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 65354354880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103812880512).

65354354880 is an abundant number, since it is smaller than the sum of its proper divisors (142271406144).

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

65354354880 is a wasteful number, since it uses less digits than its factorization.

65354354880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41254 (or 41244 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 51.

The spelling of 65354354880 in words is "sixty-five billion, three hundred fifty-four million, three hundred fifty-four thousand, eight hundred eighty".