6178938168 has 64 divisors (see below), whose sum is σ = 17511177600. Its totient is φ = 1801146240.

The previous prime is 6178938163. The next prime is 6178938203. The reversal of 6178938168 is 8618398716.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6178938163) 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, 515238 + ... + 527093.

It is an arithmetic number, because the mean of its divisors is an integer number (273612150).

Almost surely, 2^6178938168 is an apocalyptic number.

It is an amenable number.

6178938168 is an abundant number, since it is smaller than the sum of its proper divisors (11332239432).

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

6178938168 is a wasteful number, since it uses less digits than its factorization.

6178938168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042372 (or 1042368 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 57.

The square root of 6178938168 is about 78606.2221964648. Note that the first 3 decimals coincide. The cubic root of 6178938168 is about 1835.0079484494.

The spelling of 6178938168 in words is "six billion, one hundred seventy-eight million, nine hundred thirty-eight thousand, one hundred sixty-eight".