6168221038 has 24 divisors (see below), whose sum is σ = 10767972600. Its totient is φ = 2642281488.

The previous prime is 6168221011. The next prime is 6168221077. The reversal of 6168221038 is 8301228616.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 6168220988 and 6168221006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 212653 + ... + 239911.

It is an arithmetic number, because the mean of its divisors is an integer number (448665525).

Almost surely, 2^6168221038 is an apocalyptic number.

6168221038 is a deficient number, since it is larger than the sum of its proper divisors (4599751562).

6168221038 is a wasteful number, since it uses less digits than its factorization.

6168221038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29584 (or 29577 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 6168221038 is about 78538.0228806404. The cubic root of 6168221038 is about 1833.9464176409.

The spelling of 6168221038 in words is "six billion, one hundred sixty-eight million, two hundred twenty-one thousand, thirty-eight".