66655146096 has 720 divisors, whose sum is σ = 252129696000. Its totient is φ = 16373871360.

The previous prime is 66655146083. The next prime is 66655146143. The reversal of 66655146096 is 69064155666.

It is a congruent number.

It is an unprimeable number.

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 143 ways as a sum of consecutive naturals, for example, 113551915 + ... + 113552501.

Almost surely, 2^66655146096 is an apocalyptic number.

66655146096 is a gapful number since it is divisible by the number (66) 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 66655146096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126064848000).

66655146096 is an abundant number, since it is smaller than the sum of its proper divisors (185474549904).

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

66655146096 is a wasteful number, since it uses less digits than its factorization.

66655146096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663 (or 629 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 54.

The spelling of 66655146096 in words is "sixty-six billion, six hundred fifty-five million, one hundred forty-six thousand, ninety-six".