65588130000 has 400 divisors, whose sum is σ = 238236240000. Its totient is φ = 17484336000.

The previous prime is 65588129953. The next prime is 65588130001. The reversal of 65588130000 is 3188556.

65588130000 is a `hidden beast` number, since 65 + 588 + 13 + 0 + 0 + 0 + 0 = 666.

65588130000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (400).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65588130001) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 21868501 + ... + 21871499.

It is an arithmetic number, because the mean of its divisors is an integer number (595590600).

Almost surely, 2^65588130000 is an apocalyptic number.

65588130000 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 65588130000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119118120000).

65588130000 is an abundant number, since it is smaller than the sum of its proper divisors (172648110000).

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

65588130000 is an frugal number, since it uses more digits than its factorization.

65588130000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3048 (or 3009 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The spelling of 65588130000 in words is "sixty-five billion, five hundred eighty-eight million, one hundred thirty thousand".