1078166317177 has 16 divisors (see below), whose sum is σ = 1140983331840. Its totient is φ = 1016680064400.

The previous prime is 1078166317171. The next prime is 1078166317229. The reversal of 1078166317177 is 7717136618701.

It is a cyclic number.

It is not a de Polignac number, because 1078166317177 - 2²³ = 1078157928569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1078166317171) 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, 29328274 + ... + 29365012.

It is an arithmetic number, because the mean of its divisors is an integer number (71311458240).

Almost surely, 2^{1078166317177} is an apocalyptic number.

It is an amenable number.

1078166317177 is a deficient number, since it is larger than the sum of its proper divisors (62817014663).

1078166317177 is a wasteful number, since it uses less digits than its factorization.

1078166317177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54804.

The product of its (nonzero) digits is 2074464, while the sum is 55.

The spelling of 1078166317177 in words is "one trillion, seventy-eight billion, one hundred sixty-six million, three hundred seventeen thousand, one hundred seventy-seven".