866170368 has 160 divisors (see below), whose sum is σ = 2930526720. Its totient is φ = 247449600.

The previous prime is 866170367. The next prime is 866170373. The reversal of 866170368 is 863071668.

It is a super-2 number, since 2×866170368² = 1500502212802510848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (866170367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92293 + ... + 101243.

It is an arithmetic number, because the mean of its divisors is an integer number (18315792).

Almost surely, 2^866170368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 866170368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1465263360).

866170368 is an abundant number, since it is smaller than the sum of its proper divisors (2064356352).

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

866170368 is an equidigital number, since it uses as much as digits as its factorization.

866170368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8985 (or 8963 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 866170368 is about 29430.7724669265. The cubic root of 866170368 is about 953.2374746178.

The spelling of 866170368 in words is "eight hundred sixty-six million, one hundred seventy thousand, three hundred sixty-eight".