1806350166 has 16 divisors (see below), whose sum is σ = 4014111600. Its totient is φ = 602116704.

The previous prime is 1806350131. The next prime is 1806350167. The reversal of 1806350166 is 6610536081.

It is a happy number.

1806350166 is a `hidden beast` number, since 1 + 8 + 0 + 635 + 0 + 16 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1806350166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1806350167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16725411 + ... + 16725518.

It is an arithmetic number, because the mean of its divisors is an integer number (250881975).

Almost surely, 2^1806350166 is an apocalyptic number.

1806350166 is an abundant number, since it is smaller than the sum of its proper divisors (2207761434).

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

1806350166 is a wasteful number, since it uses less digits than its factorization.

1806350166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33450940 (or 33450934 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 1806350166 is about 42501.1784071924. The cubic root of 1806350166 is about 1217.8692014169.

The spelling of 1806350166 in words is "one billion, eight hundred six million, three hundred fifty thousand, one hundred sixty-six".