1868196208 has 10 divisors (see below), whose sum is σ = 3619630184. Its totient is φ = 934098096.

The previous prime is 1868196199. The next prime is 1868196247. The reversal of 1868196208 is 8026918681.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58381116 + ... + 58381147.

Almost surely, 2^1868196208 is an apocalyptic number.

It is an amenable number.

1868196208 is a deficient number, since it is larger than the sum of its proper divisors (1751433976).

1868196208 is a wasteful number, since it uses less digits than its factorization.

1868196208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116762271 (or 116762265 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 49.

The square root of 1868196208 is about 43222.6353662060. The cubic root of 1868196208 is about 1231.6127099677.

The spelling of 1868196208 in words is "one billion, eight hundred sixty-eight million, one hundred ninety-six thousand, two hundred eight".