6486315156 has 18 divisors (see below), whose sum is σ = 16395963402. Its totient is φ = 2162105040.

The previous prime is 6486315151. The next prime is 6486315179. The reversal of 6486315156 is 6515136846.

6486315156 is a `hidden beast` number, since 6 + 4 + 8 + 631 + 5 + 1 + 5 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6206288400 + 280026756 = 78780^2 + 16734^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6486315151) 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 5 ways as a sum of consecutive naturals, for example, 90087675 + ... + 90087746.

Almost surely, 2^6486315156 is an apocalyptic number.

It is an amenable number.

6486315156 is an abundant number, since it is smaller than the sum of its proper divisors (9909648246).

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

6486315156 is a wasteful number, since it uses less digits than its factorization.

6486315156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180175431 (or 180175426 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 6486315156 is about 80537.6629658447. The cubic root of 6486315156 is about 1864.9449445278.

The spelling of 6486315156 in words is "six billion, four hundred eighty-six million, three hundred fifteen thousand, one hundred fifty-six".