66066001896 has 32 divisors (see below), whose sum is σ = 167964415200. Its totient is φ = 21648745920.

The previous prime is 66066001879. The next prime is 66066001933. The reversal of 66066001896 is 69810066066.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23326975 + ... + 23329806.

It is an arithmetic number, because the mean of its divisors is an integer number (5248887975).

Almost surely, 2^66066001896 is an apocalyptic number.

It is an amenable number.

66066001896 is an abundant number, since it is smaller than the sum of its proper divisors (101898413304).

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

66066001896 is a wasteful number, since it uses less digits than its factorization.

66066001896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46656849 (or 46656845 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 48.

The spelling of 66066001896 in words is "sixty-six billion, sixty-six million, one thousand, eight hundred ninety-six".