66736766677011 has 24 divisors (see below), whose sum is σ = 90443625143760. Its totient is φ = 43772133189312.

The previous prime is 66736766677003. The next prime is 66736766677013. The reversal of 66736766677011 is 11077666763766.

It is not a de Polignac number, because 66736766677011 - 2³ = 66736766677003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66736766677013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7624305 + ... + 13842093.

It is an arithmetic number, because the mean of its divisors is an integer number (3768484380990).

Almost surely, 2^{66736766677011} is an apocalyptic number.

66736766677011 is a deficient number, since it is larger than the sum of its proper divisors (23706858466749).

66736766677011 is an equidigital number, since it uses as much as digits as its factorization.

66736766677011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6218723 (or 6218656 counting only the distinct ones).

The product of its (nonzero) digits is 336063168, while the sum is 69.

The spelling of 66736766677011 in words is "sixty-six trillion, seven hundred thirty-six billion, seven hundred sixty-six million, six hundred seventy-seven thousand, eleven".