66130311776 has 12 divisors (see below), whose sum is σ = 130194051372. Its totient is φ = 33065155872.

The previous prime is 66130311769. The next prime is 66130311787. The reversal of 66130311776 is 67711303166.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1033286090 + ... + 1033286153.

It is an arithmetic number, because the mean of its divisors is an integer number (10849504281).

Almost surely, 2^66130311776 is an apocalyptic number.

It is an amenable number.

66130311776 is a deficient number, since it is larger than the sum of its proper divisors (64063739596).

66130311776 is a wasteful number, since it uses less digits than its factorization.

66130311776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2066572253 (or 2066572245 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 41.

The spelling of 66130311776 in words is "sixty-six billion, one hundred thirty million, three hundred eleven thousand, seven hundred seventy-six".