65113269984 has 576 divisors, whose sum is σ = 237824294400. Its totient is φ = 16918917120.

The previous prime is 65113269943. The next prime is 65113269989. The reversal of 65113269984 is 48996231156.

65113269984 is a `hidden beast` number, since 6 + 511 + 32 + 6 + 9 + 98 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 65113269984.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65113269989) 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 95 ways as a sum of consecutive naturals, for example, 98805847 + ... + 98806505.

It is an arithmetic number, because the mean of its divisors is an integer number (412889400).

Almost surely, 2^65113269984 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 65113269984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118912147200).

65113269984 is an abundant number, since it is smaller than the sum of its proper divisors (172711024416).

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

65113269984 is a wasteful number, since it uses less digits than its factorization.

65113269984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764 (or 719 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

The spelling of 65113269984 in words is "sixty-five billion, one hundred thirteen million, two hundred sixty-nine thousand, nine hundred eighty-four".