6542400016 has 40 divisors (see below), whose sum is σ = 12794431104. Its totient is φ = 3240744960.

The previous prime is 6542400013. The next prime is 6542400023. The reversal of 6542400016 is 6100042456.

It is not an unprimeable number, because it can be changed into a prime (6542400013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 827056 + ... + 834928.

Almost surely, 2^6542400016 is an apocalyptic number.

It is an amenable number.

6542400016 is a deficient number, since it is larger than the sum of its proper divisors (6252031088).

6542400016 is a wasteful number, since it uses less digits than its factorization.

6542400016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8359 (or 8353 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 6542400016 is about 80885.1037954455. The cubic root of 6542400016 is about 1870.3046979834.

The spelling of 6542400016 in words is "six billion, five hundred forty-two million, four hundred thousand, sixteen".