6661192338 has 24 divisors (see below), whose sum is σ = 14567471568. Its totient is φ = 2199645432.

The previous prime is 6661192309. The next prime is 6661192367. The reversal of 6661192338 is 8332911666.

It is an interprime number because it is at equal distance from previous prime (6661192309) and next prime (6661192367).

It is a junction number, because it is equal to n+sod(n) for n = 6661192293 and 6661192302.

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, 1727356 + ... + 1731207.

It is an arithmetic number, because the mean of its divisors is an integer number (606977982).

Almost surely, 2^6661192338 is an apocalyptic number.

6661192338 is an abundant number, since it is smaller than the sum of its proper divisors (7906279230).

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

6661192338 is a wasteful number, since it uses less digits than its factorization.

6661192338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3458678 (or 3458675 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 6661192338 is about 81616.1279282471. The cubic root of 6661192338 is about 1881.5567626406.

The spelling of 6661192338 in words is "six billion, six hundred sixty-one million, one hundred ninety-two thousand, three hundred thirty-eight".