8256490164 has 96 divisors (see below), whose sum is σ = 24408397440. Its totient is φ = 2391012864.

The previous prime is 8256490163. The next prime is 8256490189. The reversal of 8256490164 is 4610946528.

8256490164 is a `hidden beast` number, since 82 + 564 + 9 + 0 + 1 + 6 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8256490163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149094 + ... + 196829.

It is an arithmetic number, because the mean of its divisors is an integer number (254254140).

Almost surely, 2^8256490164 is an apocalyptic number.

It is an amenable number.

8256490164 is an abundant number, since it is smaller than the sum of its proper divisors (16151907276).

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

8256490164 is a wasteful number, since it uses less digits than its factorization.

8256490164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345966 (or 345958 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 8256490164 is about 90865.2307761335. The cubic root of 8256490164 is about 2021.1497362845.

The spelling of 8256490164 in words is "eight billion, two hundred fifty-six million, four hundred ninety thousand, one hundred sixty-four".