166178417337160 has 32 divisors (see below), whose sum is σ = 384006883309560. Its totient is φ = 64674843503616.

The previous prime is 166178417337077. The next prime is 166178417337209. The reversal of 166178417337160 is 61733714871661.

It can be written as a sum of positive squares in 4 ways, for example, as 160573957681284 + 5604459655876 = 12671778^2 + 2367374^2 .

It is a Smith number, since the sum of its digits (61) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56141355729 + ... + 56141358688.

Almost surely, 2^{166178417337160} is an apocalyptic number.

166178417337160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166178417337160 is an abundant number, since it is smaller than the sum of its proper divisors (217828465972400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166178417337160 is a wasteful number, since it uses less digits than its factorization.

166178417337160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112282714465 (or 112282714461 counting only the distinct ones).

The product of its (nonzero) digits is 21337344, while the sum is 61.

The spelling of 166178417337160 in words is "one hundred sixty-six trillion, one hundred seventy-eight billion, four hundred seventeen million, three hundred thirty-seven thousand, one hundred sixty".