1850166701852 has 24 divisors (see below), whose sum is σ = 3827931108960. Its totient is φ = 765586221120.

The previous prime is 1850166701837. The next prime is 1850166701861. The reversal of 1850166701852 is 2581076610581.

It is a self number, because there is not a number n which added to its sum of digits gives 1850166701852.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1139264399 + ... + 1139266022.

It is an arithmetic number, because the mean of its divisors is an integer number (159497129540).

Almost surely, 2^{1850166701852} is an apocalyptic number.

It is an amenable number.

1850166701852 is an abundant number, since it is smaller than the sum of its proper divisors (1977764407108).

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

1850166701852 is a wasteful number, since it uses less digits than its factorization.

1850166701852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2278530461 (or 2278530459 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 50.

The spelling of 1850166701852 in words is "one trillion, eight hundred fifty billion, one hundred sixty-six million, seven hundred one thousand, eight hundred fifty-two".