6486148816 has 60 divisors (see below), whose sum is σ = 15122798820. Its totient is φ = 2683914240.

The previous prime is 6486148813. The next prime is 6486148829. The reversal of 6486148816 is 6188416846.

It can be written as a sum of positive squares in 2 ways, for example, as 1558670400 + 4927478416 = 39480^2 + 70196^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6486148813) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119905 + ... + 165376.

It is an arithmetic number, because the mean of its divisors is an integer number (252046647).

Almost surely, 2^6486148816 is an apocalyptic number.

It is an amenable number.

6486148816 is an abundant number, since it is smaller than the sum of its proper divisors (8636650004).

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

6486148816 is a wasteful number, since it uses less digits than its factorization.

6486148816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285332 (or 285319 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 52.

The square root of 6486148816 is about 80536.6302746769. The cubic root of 6486148816 is about 1864.9290023693.

The spelling of 6486148816 in words is "six billion, four hundred eighty-six million, one hundred forty-eight thousand, eight hundred sixteen".