6381824416 has 48 divisors (see below), whose sum is σ = 13720468608. Its totient is φ = 2897856000.

The previous prime is 6381824381. The next prime is 6381824447. The reversal of 6381824416 is 6144281836.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354841 + ... + 372391.

It is an arithmetic number, because the mean of its divisors is an integer number (285843096).

Almost surely, 2^6381824416 is an apocalyptic number.

It is an amenable number.

6381824416 is an abundant number, since it is smaller than the sum of its proper divisors (7338644192).

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

6381824416 is a wasteful number, since it uses less digits than its factorization.

6381824416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18605 (or 18597 counting only the distinct ones).

The product of its digits is 221184, while the sum is 43.

The square root of 6381824416 is about 79886.3218329646. The cubic root of 6381824416 is about 1854.8762922712.

The spelling of 6381824416 in words is "six billion, three hundred eighty-one million, eight hundred twenty-four thousand, four hundred sixteen".