1806862162 has 12 divisors (see below), whose sum is σ = 3152790270. Its totient is φ = 774369456.

The previous prime is 1806862159. The next prime is 1806862163. The reversal of 1806862162 is 2612686081.

It can be written as a sum of positive squares in only one way, i.e., 1797675201 + 9186961 = 42399^2 + 3031^2 .

It is not an unprimeable number, because it can be changed into a prime (1806862163) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9218587 + ... + 9218782.

Almost surely, 2^1806862162 is an apocalyptic number.

1806862162 is a deficient number, since it is larger than the sum of its proper divisors (1345928108).

1806862162 is a wasteful number, since it uses less digits than its factorization.

1806862162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18437385 (or 18437378 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 1806862162 is about 42507.2012957805. The cubic root of 1806862162 is about 1217.9842557528.

The spelling of 1806862162 in words is "one billion, eight hundred six million, eight hundred sixty-two thousand, one hundred sixty-two".