6518448156 has 48 divisors (see below), whose sum is σ = 16624315008. Its totient is φ = 1971489600.

The previous prime is 6518448149. The next prime is 6518448173.

6518448156 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21826 + ... + 116246.

It is an arithmetic number, because the mean of its divisors is an integer number (346339896).

Almost surely, 2^6518448156 is an apocalyptic number.

6518448156 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

6518448156 is an abundant number, since it is smaller than the sum of its proper divisors (10105866852).

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

6518448156 is a wasteful number, since it uses less digits than its factorization.

6518448156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94962 (or 94960 counting only the distinct ones).

The product of its digits is 921600, while the sum is 48.

The square root of 6518448156 is about 80736.9070252261. The cubic root of 6518448156 is about 1868.0194990987.

The spelling of 6518448156 in words is "six billion, five hundred eighteen million, four hundred forty-eight thousand, one hundred fifty-six".