18162834 has 16 divisors (see below), whose sum is σ = 38462688. Its totient is φ = 5698112.

The previous prime is 18162797. The next prime is 18162839. The reversal of 18162834 is 43826181.

It is a junction number, because it is equal to n+sod(n) for n = 18162795 and 18162804.

It is not an unprimeable number, because it can be changed into a prime (18162839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88932 + ... + 89135.

It is an arithmetic number, because the mean of its divisors is an integer number (2403918).

Almost surely, 2^18162834 is an apocalyptic number.

18162834 is an abundant number, since it is smaller than the sum of its proper divisors (20299854).

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

18162834 is a wasteful number, since it uses less digits than its factorization.

18162834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178089.

The product of its digits is 9216, while the sum is 33.

The square root of 18162834 is about 4261.7876530864. The cubic root of 18162834 is about 262.8620383180.

The spelling of 18162834 in words is "eighteen million, one hundred sixty-two thousand, eight hundred thirty-four".