66062706696 has 144 divisors (see below), whose sum is σ = 208293321600. Its totient is φ = 18860361408.

The previous prime is 66062706691. The next prime is 66062706727. The reversal of 66062706696 is 69660726066.

66062706696 is a `hidden beast` number, since 6 + 6 + 0 + 627 + 0 + 6 + 6 + 9 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (66062706691) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5013765 + ... + 5026923.

It is an arithmetic number, because the mean of its divisors is an integer number (1446481400).

Almost surely, 2^66062706696 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 66062706696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104146660800).

66062706696 is an abundant number, since it is smaller than the sum of its proper divisors (142230614904).

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

66062706696 is a wasteful number, since it uses less digits than its factorization.

66062706696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14608 (or 14594 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 54.

The spelling of 66062706696 in words is "sixty-six billion, sixty-two million, seven hundred six thousand, six hundred ninety-six".