6165779838 has 32 divisors (see below), whose sum is σ = 12586337280. Its totient is φ = 2013080160.

The previous prime is 6165779833. The next prime is 6165779849. The reversal of 6165779838 is 8389775616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6165779833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52231 + ... + 122717.

It is an arithmetic number, because the mean of its divisors is an integer number (393323040).

Almost surely, 2^6165779838 is an apocalyptic number.

6165779838 is an abundant number, since it is smaller than the sum of its proper divisors (6420557442).

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

6165779838 is a wasteful number, since it uses less digits than its factorization.

6165779838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70792.

The product of its digits is 15240960, while the sum is 60.

The square root of 6165779838 is about 78522.4798258435. The cubic root of 6165779838 is about 1833.7044450785.

The spelling of 6165779838 in words is "six billion, one hundred sixty-five million, seven hundred seventy-nine thousand, eight hundred thirty-eight".