170878663368 has 192 divisors, whose sum is σ = 550299509760. Its totient is φ = 48662254656.

The previous prime is 170878663367. The next prime is 170878663409. The reversal of 170878663368 is 863366878071.

170878663368 is a `hidden beast` number, since 170 + 8 + 78 + 66 + 336 + 8 = 666.

170878663368 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (170878663363) by changing a digit.

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 in 47 ways as a sum of consecutive naturals, for example, 4157205 + ... + 4198107.

It is an arithmetic number, because the mean of its divisors is an integer number (2866143280).

Almost surely, 2^170878663368 is an apocalyptic number.

170878663368 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 170878663368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275149754880).

170878663368 is an abundant number, since it is smaller than the sum of its proper divisors (379420846392).

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

170878663368 is a wasteful number, since it uses less digits than its factorization.

170878663368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41238 (or 41222 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 63.

The spelling of 170878663368 in words is "one hundred seventy billion, eight hundred seventy-eight million, six hundred sixty-three thousand, three hundred sixty-eight".