18210082 has 16 divisors (see below), whose sum is σ = 30760704. Its totient is φ = 8010000.

The previous prime is 18210067. The next prime is 18210083. The reversal of 18210082 is 28001281.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (18210083) 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, 12669 + ... + 14032.

It is an arithmetic number, because the mean of its divisors is an integer number (1922544).

Almost surely, 2^18210082 is an apocalyptic number.

18210082 is a deficient number, since it is larger than the sum of its proper divisors (12550622).

18210082 is a wasteful number, since it uses less digits than its factorization.

18210082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26745.

The product of its (nonzero) digits is 256, while the sum is 22.

The square root of 18210082 is about 4267.3272665686. The cubic root of 18210082 is about 263.0897735522.

The spelling of 18210082 in words is "eighteen million, two hundred ten thousand, eighty-two".