1868196268 has 12 divisors (see below), whose sum is σ = 3288921552. Its totient is φ = 928504400.

The previous prime is 1868196259. The next prime is 1868196313. The reversal of 1868196268 is 8626918681.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1397683 + ... + 1399018.

It is an arithmetic number, because the mean of its divisors is an integer number (274076796).

Almost surely, 2^1868196268 is an apocalyptic number.

It is an amenable number.

1868196268 is a deficient number, since it is larger than the sum of its proper divisors (1420725284).

1868196268 is a wasteful number, since it uses less digits than its factorization.

1868196268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2796872 (or 2796870 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 55.

The square root of 1868196268 is about 43222.6360602867. The cubic root of 1868196268 is about 1231.6127231527.

The spelling of 1868196268 in words is "one billion, eight hundred sixty-eight million, one hundred ninety-six thousand, two hundred sixty-eight".