65511360460 has 576 divisors, whose sum is σ = 194519808000. Its totient is φ = 18329794560.

The previous prime is 65511360443. The next prime is 65511360461. The reversal of 65511360460 is 6406311556.

It is not an unprimeable number, because it can be changed into a prime (65511360461) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1597838040 + ... + 1597838080.

It is an arithmetic number, because the mean of its divisors is an integer number (337708000).

Almost surely, 2^65511360460 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65511360460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97259904000).

65511360460 is an abundant number, since it is smaller than the sum of its proper divisors (129008447540).

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

65511360460 is a wasteful number, since it uses less digits than its factorization.

65511360460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 65511360460 in words is "sixty-five billion, five hundred eleven million, three hundred sixty thousand, four hundred sixty".