6165777942 has 32 divisors (see below), whose sum is σ = 13783795200. Its totient is φ = 2042949384.

The previous prime is 6165777941. The next prime is 6165777997. The reversal of 6165777942 is 2497775616.

6165777942 is a `hidden beast` number, since 61 + 6 + 577 + 7 + 9 + 4 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6165777941) 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, 332842 + ... + 350877.

It is an arithmetic number, because the mean of its divisors is an integer number (430743600).

Almost surely, 2^6165777942 is an apocalyptic number.

6165777942 is an abundant number, since it is smaller than the sum of its proper divisors (7618017258).

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

6165777942 is a wasteful number, since it uses less digits than its factorization.

6165777942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683897 (or 683891 counting only the distinct ones).

The product of its digits is 4445280, while the sum is 54.

The square root of 6165777942 is about 78522.4677528668. The cubic root of 6165777942 is about 1833.7042571215.

The spelling of 6165777942 in words is "six billion, one hundred sixty-five million, seven hundred seventy-seven thousand, nine hundred forty-two".