66004871088 has 80 divisors (see below), whose sum is σ = 184861605600. Its totient is φ = 20172859392.

The previous prime is 66004871081. The next prime is 66004871089. The reversal of 66004871088 is 88017840066.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (66004871081) 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, 261981 + ... + 447932.

It is an arithmetic number, because the mean of its divisors is an integer number (2310770070).

Almost surely, 2^66004871088 is an apocalyptic number.

It is an amenable number.

66004871088 is an abundant number, since it is smaller than the sum of its proper divisors (118856734512).

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

66004871088 is a wasteful number, since it uses less digits than its factorization.

66004871088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710086 (or 710080 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 48.

The spelling of 66004871088 in words is "sixty-six billion, four million, eight hundred seventy-one thousand, eighty-eight".