1850000166850 has 48 divisors (see below), whose sum is σ = 3754049457600. Its totient is φ = 672685947200.

The previous prime is 1850000166797. The next prime is 1850000166851. The reversal of 1850000166850 is 586610000581.

It is not an unprimeable number, because it can be changed into a prime (1850000166851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9686076 + ... + 9875224.

It is an arithmetic number, because the mean of its divisors is an integer number (78209363700).

Almost surely, 2^{1850000166850} is an apocalyptic number.

1850000166850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1850000166850 is an abundant number, since it is smaller than the sum of its proper divisors (1904049290750).

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

1850000166850 is a wasteful number, since it uses less digits than its factorization.

1850000166850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206955 (or 206950 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 40.

The spelling of 1850000166850 in words is "one trillion, eight hundred fifty billion, one hundred sixty-six thousand, eight hundred fifty".