66677077111 has 8 divisors (see below), whose sum is σ = 67019644800. Its totient is φ = 66334584888.

The previous prime is 66677077099. The next prime is 66677077121. The reversal of 66677077111 is 11177077666.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66677077111 - 2⁵ = 66677077079 is a prime.

It is a super-2 number, since 2×66677077111² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66677077121) 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, 2899320 + ... + 2922226.

It is an arithmetic number, because the mean of its divisors is an integer number (8377455600).

Almost surely, 2^66677077111 is an apocalyptic number.

66677077111 is a deficient number, since it is larger than the sum of its proper divisors (342567689).

66677077111 is a wasteful number, since it uses less digits than its factorization.

66677077111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37733.

The product of its (nonzero) digits is 518616, while the sum is 49.

The spelling of 66677077111 in words is "sixty-six billion, six hundred seventy-seven million, seventy-seven thousand, one hundred eleven".