6541404016 has 40 divisors (see below), whose sum is σ = 14505670784. Its totient is φ = 2799368640.

The previous prime is 6541403993. The next prime is 6541404047. The reversal of 6541404016 is 6104041456.

It is a congruent number.

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, 35131 + ... + 119653.

Almost surely, 2^6541404016 is an apocalyptic number.

It is an amenable number.

6541404016 is an abundant number, since it is smaller than the sum of its proper divisors (7964266768).

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

6541404016 is a wasteful number, since it uses less digits than its factorization.

6541404016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85229 (or 85223 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 6541404016 is about 80878.9466795902. The cubic root of 6541404016 is about 1870.2097828649.

The spelling of 6541404016 in words is "six billion, five hundred forty-one million, four hundred four thousand, sixteen".