8170493386 has 16 divisors (see below), whose sum is σ = 14156363520. Its totient is φ = 3495398080.

The previous prime is 8170493381. The next prime is 8170493417. The reversal of 8170493386 is 6833940718.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (8170493381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10922746 + ... + 10923493.

It is an arithmetic number, because the mean of its divisors is an integer number (884772720).

Almost surely, 2^8170493386 is an apocalyptic number.

8170493386 is a deficient number, since it is larger than the sum of its proper divisors (5985870134).

8170493386 is a wasteful number, since it uses less digits than its factorization.

8170493386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21846269.

The product of its (nonzero) digits is 870912, while the sum is 49.

The square root of 8170493386 is about 90390.7815321894. The cubic root of 8170493386 is about 2014.1080299116.

The spelling of 8170493386 in words is "eight billion, one hundred seventy million, four hundred ninety-three thousand, three hundred eighty-six".