6165640488 has 64 divisors (see below), whose sum is σ = 17797772160. Its totient is φ = 1743446016.

The previous prime is 6165640487. The next prime is 6165640513. The reversal of 6165640488 is 8840465616.

It is not an unprimeable number, because it can be changed into a prime (6165640487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172881 + ... + 205472.

It is an arithmetic number, because the mean of its divisors is an integer number (278090190).

Almost surely, 2^6165640488 is an apocalyptic number.

It is an amenable number.

6165640488 is an abundant number, since it is smaller than the sum of its proper divisors (11632131672).

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

6165640488 is a wasteful number, since it uses less digits than its factorization.

6165640488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378466 (or 378462 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 48.

The square root of 6165640488 is about 78521.5924953130. The cubic root of 6165640488 is about 1833.6906307330.

The spelling of 6165640488 in words is "six billion, one hundred sixty-five million, six hundred forty thousand, four hundred eighty-eight".