66025342430124 has 192 divisors, whose sum is σ = 193548698284032. Its totient is φ = 17018151494400.

The previous prime is 66025342430111. The next prime is 66025342430147. The reversal of 66025342430124 is 42103424352066.

It is a happy number.

66025342430124 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 77680267 + ... + 78525629.

It is an arithmetic number, because the mean of its divisors is an integer number (1008066136896).

Almost surely, 2^{66025342430124} 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 66025342430124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96774349142016).

66025342430124 is an abundant number, since it is smaller than the sum of its proper divisors (127523355853908).

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

66025342430124 is a wasteful number, since it uses less digits than its factorization.

66025342430124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846036 (or 846034 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 42.

It can be divided in two parts, 66025342 and 430124, that added together give a palindrome (66455466).

The spelling of 66025342430124 in words is "sixty-six trillion, twenty-five billion, three hundred forty-two million, four hundred thirty thousand, one hundred twenty-four".