1850891068 has 48 divisors (see below), whose sum is σ = 3536961120. Its totient is φ = 842400000.

The previous prime is 1850891051. The next prime is 1850891083. The reversal of 1850891068 is 8601980581.

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 in 15 ways as a sum of consecutive naturals, for example, 1422018 + ... + 1423318.

It is an arithmetic number, because the mean of its divisors is an integer number (73686690).

Almost surely, 2^1850891068 is an apocalyptic number.

It is an amenable number.

1850891068 is a deficient number, since it is larger than the sum of its proper divisors (1686070052).

1850891068 is a wasteful number, since it uses less digits than its factorization.

1850891068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1678 (or 1676 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 46.

The square root of 1850891068 is about 43021.9835433003. The cubic root of 1850891068 is about 1227.7980893297.

The spelling of 1850891068 in words is "one billion, eight hundred fifty million, eight hundred ninety-one thousand, sixty-eight".