18082152890 has 8 divisors (see below), whose sum is σ = 32547875220. Its totient is φ = 7232861152.

The previous prime is 18082152827. The next prime is 18082152923. The reversal of 18082152890 is 9825128081.

It can be written as a sum of positive squares in 2 ways, for example, as 15793200241 + 2288952649 = 125671^2 + 47843^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 904107635 + ... + 904107654.

Almost surely, 2^18082152890 is an apocalyptic number.

18082152890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18082152890 is a deficient number, since it is larger than the sum of its proper divisors (14465722330).

18082152890 is a wasteful number, since it uses less digits than its factorization.

18082152890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1808215296.

The product of its (nonzero) digits is 92160, while the sum is 44.

The spelling of 18082152890 in words is "eighteen billion, eighty-two million, one hundred fifty-two thousand, eight hundred ninety".