6405294168 has 96 divisors (see below), whose sum is σ = 21351002400. Its totient is φ = 1689306624.

The previous prime is 6405294163. The next prime is 6405294169. The reversal of 6405294168 is 8614925046.

6405294168 is a `hidden beast` number, since 64 + 0 + 529 + 4 + 1 + 68 = 666.

It is a super-2 number, since 2×6405294168² = 82055586757229624448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6405294163) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 482253 + ... + 495356.

It is an arithmetic number, because the mean of its divisors is an integer number (222406275).

Almost surely, 2^6405294168 is an apocalyptic number.

It is an amenable number.

6405294168 is an abundant number, since it is smaller than the sum of its proper divisors (14945708232).

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

6405294168 is a wasteful number, since it uses less digits than its factorization.

6405294168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977641 (or 977634 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 6405294168 is about 80033.0817100029. The cubic root of 6405294168 is about 1857.1473371614.

The spelling of 6405294168 in words is "six billion, four hundred five million, two hundred ninety-four thousand, one hundred sixty-eight".