66089518060 has 24 divisors (see below), whose sum is σ = 139231413216. Its totient is φ = 26351345280.

The previous prime is 66089518051. The next prime is 66089518063. The reversal of 66089518060 is 6081598066.

It is a junction number, because it is equal to n+sod(n) for n = 66089517995 and 66089518013.

It is not an unprimeable number, because it can be changed into a prime (66089518063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5272456 + ... + 5284975.

It is an arithmetic number, because the mean of its divisors is an integer number (5801308884).

Almost surely, 2^66089518060 is an apocalyptic number.

It is an amenable number.

66089518060 is an abundant number, since it is smaller than the sum of its proper divisors (73141895156).

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

66089518060 is a wasteful number, since it uses less digits than its factorization.

66089518060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10557753 (or 10557751 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 49.

The spelling of 66089518060 in words is "sixty-six billion, eighty-nine million, five hundred eighteen thousand, sixty".