6868621164 has 48 divisors (see below), whose sum is σ = 16085986560. Its totient is φ = 2281103040.

The previous prime is 6868621159. The next prime is 6868621181. The reversal of 6868621164 is 4611268686.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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, 6473194 + ... + 6474254.

It is an arithmetic number, because the mean of its divisors is an integer number (335124720).

Almost surely, 2^6868621164 is an apocalyptic number.

It is an amenable number.

6868621164 is an abundant number, since it is smaller than the sum of its proper divisors (9217365396).

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

6868621164 is a wasteful number, since it uses less digits than its factorization.

6868621164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2550 (or 2548 counting only the distinct ones).

The product of its digits is 663552, while the sum is 48.

The square root of 6868621164 is about 82877.1450039153. The cubic root of 6868621164 is about 1900.8879657383.

The spelling of 6868621164 in words is "six billion, eight hundred sixty-eight million, six hundred twenty-one thousand, one hundred sixty-four".