6165168858 has 12 divisors (see below), whose sum is σ = 13357865898. Its totient is φ = 2055056280.

The previous prime is 6165168857. The next prime is 6165168917. The reversal of 6165168858 is 8588615616.

6165168858 is a `hidden beast` number, since 616 + 5 + 16 + 8 + 8 + 5 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5258135169 + 907033689 = 72513^2 + 30117^2 .

It is not an unprimeable number, because it can be changed into a prime (6165168853) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 171254673 + ... + 171254708.

Almost surely, 2^6165168858 is an apocalyptic number.

6165168858 is an abundant number, since it is smaller than the sum of its proper divisors (7192697040).

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

6165168858 is a wasteful number, since it uses less digits than its factorization.

6165168858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342509389 (or 342509386 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 54.

The square root of 6165168858 is about 78518.5892512085. The cubic root of 6165168858 is about 1833.6438745435.

The spelling of 6165168858 in words is "six billion, one hundred sixty-five million, one hundred sixty-eight thousand, eight hundred fifty-eight".