66077180332 has 12 divisors (see below), whose sum is σ = 120662677296. Its totient is φ = 31602129680.

The previous prime is 66077180231. The next prime is 66077180339. The reversal of 66077180332 is 23308177066.

It is not an unprimeable number, because it can be changed into a prime (66077180339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359115019 + ... + 359115202.

It is an arithmetic number, because the mean of its divisors is an integer number (10055223108).

Almost surely, 2^66077180332 is an apocalyptic number.

It is an amenable number.

66077180332 is a deficient number, since it is larger than the sum of its proper divisors (54585496964).

66077180332 is a wasteful number, since it uses less digits than its factorization.

66077180332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718230248 (or 718230246 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 43.

The spelling of 66077180332 in words is "sixty-six billion, seventy-seven million, one hundred eighty thousand, three hundred thirty-two".