66119006805120 has 192 divisors, whose sum is σ = 228782209631040. Its totient is φ = 17595824547840.

The previous prime is 66119006805043. The next prime is 66119006805121. The reversal of 66119006805120 is 2150860091166.

66119006805120 is a `hidden beast` number, since 6 + 61 + 19 + 0 + 0 + 68 + 0 + 512 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (66119006805121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8861244 + ... + 14517563.

It is an arithmetic number, because the mean of its divisors is an integer number (1191574008495).

Almost surely, 2^{66119006805120} is an apocalyptic number.

66119006805120 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

66119006805120 is an abundant number, since it is smaller than the sum of its proper divisors (162663202825920).

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

66119006805120 is a wasteful number, since it uses less digits than its factorization.

66119006805120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23379323 (or 23379308 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

Adding to 66119006805120 its reverse (2150860091166), we get a palindrome (68269866896286).

The spelling of 66119006805120 in words is "sixty-six trillion, one hundred nineteen billion, six million, eight hundred five thousand, one hundred twenty".