66992877360 has 200 divisors, whose sum is σ = 240182591616. Its totient is φ = 17288432640.

The previous prime is 66992877353. The next prime is 66992877361. The reversal of 66992877360 is 6377829966.

66992877360 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (66992877361) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 34132 + ... + 367628.

Almost surely, 2^66992877360 is an apocalyptic number.

66992877360 is a gapful number since it is divisible by the number (60) 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 66992877360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120091295808).

66992877360 is an abundant number, since it is smaller than the sum of its proper divisors (173189714256).

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

66992877360 is a wasteful number, since it uses less digits than its factorization.

66992877360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333553 (or 333538 counting only the distinct ones).

The product of its (nonzero) digits is 41150592, while the sum is 63.

The spelling of 66992877360 in words is "sixty-six billion, nine hundred ninety-two million, eight hundred seventy-seven thousand, three hundred sixty".