66060288000 has 576 divisors, whose sum is σ = 272193536160. Its totient is φ = 15099494400.

The previous prime is 66060287999. The next prime is 66060288011. The reversal of 66060288000 is 88206066.

It is a tau number, because it is divible by the number of its divisors (576).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9437183997 + ... + 9437184003.

Almost surely, 2^66060288000 is an apocalyptic number.

66060288000 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 66060288000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136096768080).

66060288000 is an abundant number, since it is smaller than the sum of its proper divisors (206133248160).

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

66060288000 is an frugal number, since it uses more digits than its factorization.

66060288000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74 (or 17 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The spelling of 66060288000 in words is "sixty-six billion, sixty million, two hundred eighty-eight thousand".