66011176377 has 6 divisors (see below), whose sum is σ = 95349477002. Its totient is φ = 44007450912.

The previous prime is 66011176367. The next prime is 66011176411. The reversal of 66011176377 is 77367111066.

66011176377 is a `hidden beast` number, since 6 + 6 + 0 + 1 + 1 + 1 + 7 + 637 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 50095840041 + 15915336336 = 223821^2 + 126156^2 .

It is not a de Polignac number, because 66011176377 - 2⁶ = 66011176313 is a prime.

It is a super-2 number, since 2×66011176377² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66011176367) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3667287568 + ... + 3667287585.

Almost surely, 2^66011176377 is an apocalyptic number.

It is an amenable number.

66011176377 is a deficient number, since it is larger than the sum of its proper divisors (29338300625).

66011176377 is a wasteful number, since it uses less digits than its factorization.

66011176377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7334575159 (or 7334575156 counting only the distinct ones).

The product of its (nonzero) digits is 222264, while the sum is 45.

The spelling of 66011176377 in words is "sixty-six billion, eleven million, one hundred seventy-six thousand, three hundred seventy-seven".