56717166110666 has 12 divisors (see below), whose sum is σ = 88935518506002. Its totient is φ = 27125601182856.

The previous prime is 56717166110663. The next prime is 56717166110831. The reversal of 56717166110666 is 66601166171765.

It can be written as a sum of positive squares in only one way, i.e., 56294183673025 + 422982437641 = 7502945^2 + 650371^2 .

It is not an unprimeable number, because it can be changed into a prime (56717166110663) 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, 26803952681 + ... + 26803954796.

Almost surely, 2^{56717166110666} is an apocalyptic number.

56717166110666 is a deficient number, since it is larger than the sum of its proper divisors (32218352395336).

56717166110666 is a wasteful number, since it uses less digits than its factorization.

56717166110666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53607907525 (or 53607907502 counting only the distinct ones).

The product of its (nonzero) digits is 11430720, while the sum is 59.

The spelling of 56717166110666 in words is "fifty-six trillion, seven hundred seventeen billion, one hundred sixty-six million, one hundred ten thousand, six hundred sixty-six".