66034593792 has 208 divisors, whose sum is σ = 197861796000. Its totient is φ = 21760966656.

The previous prime is 66034593791. The next prime is 66034593799. The reversal of 66034593792 is 29739543066.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66034593791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9839334 + ... + 9846042.

Almost surely, 2^66034593792 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 66034593792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98930898000).

66034593792 is an abundant number, since it is smaller than the sum of its proper divisors (131827202208).

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

66034593792 is an equidigital number, since it uses as much as digits as its factorization.

66034593792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6831 (or 6803 counting only the distinct ones).

The product of its (nonzero) digits is 7348320, while the sum is 54.

The spelling of 66034593792 in words is "sixty-six billion, thirty-four million, five hundred ninety-three thousand, seven hundred ninety-two".