1868018008 has 16 divisors (see below), whose sum is σ = 3577056480. Its totient is φ = 914136288.

The previous prime is 1868017993. The next prime is 1868018017. The reversal of 1868018008 is 8008108681.

It is a congruent number.

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, 2483691 + ... + 2484442.

It is an arithmetic number, because the mean of its divisors is an integer number (223566030).

Almost surely, 2^1868018008 is an apocalyptic number.

It is an amenable number.

1868018008 is a deficient number, since it is larger than the sum of its proper divisors (1709038472).

1868018008 is a wasteful number, since it uses less digits than its factorization.

1868018008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4968186 (or 4968182 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 40.

The square root of 1868018008 is about 43220.5738971615. The cubic root of 1868018008 is about 1231.5735491339.

The spelling of 1868018008 in words is "one billion, eight hundred sixty-eight million, eighteen thousand, eight".