6387168140 has 12 divisors (see below), whose sum is σ = 13413053136. Its totient is φ = 2554867248.

The previous prime is 6387168127. The next prime is 6387168143. The reversal of 6387168140 is 418617836.

It is a junction number, because it is equal to n+sod(n) for n = 6387168091 and 6387168100.

It is not an unprimeable number, because it can be changed into a prime (6387168143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159679184 + ... + 159679223.

It is an arithmetic number, because the mean of its divisors is an integer number (1117754428).

Almost surely, 2^6387168140 is an apocalyptic number.

It is an amenable number.

6387168140 is an abundant number, since it is smaller than the sum of its proper divisors (7025884996).

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

6387168140 is a wasteful number, since it uses less digits than its factorization.

6387168140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319358416 (or 319358414 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 6387168140 is about 79919.7606352772. The cubic root of 6387168140 is about 1855.3938653590.

The spelling of 6387168140 in words is "six billion, three hundred eighty-seven million, one hundred sixty-eight thousand, one hundred forty".