66307607277 has 16 divisors (see below), whose sum is σ = 89050357632. Its totient is φ = 43885324800.

The previous prime is 66307607269. The next prime is 66307607323. The reversal of 66307607277 is 77270670366.

It is not a de Polignac number, because 66307607277 - 2³ = 66307607269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66307607227) 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, 706453 + ... + 794789.

It is an arithmetic number, because the mean of its divisors is an integer number (5565647352).

Almost surely, 2^66307607277 is an apocalyptic number.

It is an amenable number.

66307607277 is a deficient number, since it is larger than the sum of its proper divisors (22742750355).

66307607277 is a wasteful number, since it uses less digits than its factorization.

66307607277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90148.

The product of its (nonzero) digits is 3111696, while the sum is 51.

The spelling of 66307607277 in words is "sixty-six billion, three hundred seven million, six hundred seven thousand, two hundred seventy-seven".