6540992160 has 96 divisors (see below), whose sum is σ = 20617716672. Its totient is φ = 1743114240.

The previous prime is 6540992153. The next prime is 6540992197. The reversal of 6540992160 is 612990456.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

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, 923352 + ... + 930408.

It is an arithmetic number, because the mean of its divisors is an integer number (214767882).

Almost surely, 2^6540992160 is an apocalyptic number.

6540992160 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6540992160 is an abundant number, since it is smaller than the sum of its proper divisors (14076724512).

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

6540992160 is a wasteful number, since it uses less digits than its factorization.

6540992160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9006 (or 8998 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 6540992160 is about 80876.4005133760. The cubic root of 6540992160 is about 1870.1705316948.

The spelling of 6540992160 in words is "six billion, five hundred forty million, nine hundred ninety-two thousand, one hundred sixty".