1800146166 has 64 divisors (see below), whose sum is σ = 4514807808. Its totient is φ = 465798528.

The previous prime is 1800146119. The next prime is 1800146177. The reversal of 1800146166 is 6616410081.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2166 + ... + 60041.

It is an arithmetic number, because the mean of its divisors is an integer number (70543872).

Almost surely, 2^1800146166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1800146166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2257403904).

1800146166 is an abundant number, since it is smaller than the sum of its proper divisors (2714661642).

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

1800146166 is a wasteful number, since it uses less digits than its factorization.

1800146166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62285.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 1800146166 is about 42428.1294190541. The cubic root of 1800146166 is about 1216.4733245619.

The spelling of 1800146166 in words is "one billion, eight hundred million, one hundred forty-six thousand, one hundred sixty-six".