6542405116 has 24 divisors (see below), whose sum is σ = 12332727680. Its totient is φ = 3018883392.

The previous prime is 6542405101. The next prime is 6542405117. The reversal of 6542405116 is 6115042456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6542405117) 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, 269530 + ... + 292798.

Almost surely, 2^6542405116 is an apocalyptic number.

It is an amenable number.

6542405116 is a deficient number, since it is larger than the sum of its proper divisors (5790322564).

6542405116 is a wasteful number, since it uses less digits than its factorization.

6542405116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28693 (or 28691 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 6542405116 is about 80885.1353216399. The cubic root of 6542405116 is about 1870.3051839698.

The spelling of 6542405116 in words is "six billion, five hundred forty-two million, four hundred five thousand, one hundred sixteen".