18100082 has 32 divisors (see below), whose sum is σ = 36457344. Its totient is φ = 6508800.

The previous prime is 18100081. The next prime is 18100091. The reversal of 18100082 is 28000181.

It is a super-2 number, since 2×18100082² = 655225936813448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18100081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2519 + ... + 6522.

It is an arithmetic number, because the mean of its divisors is an integer number (1139292).

Almost surely, 2^18100082 is an apocalyptic number.

18100082 is an abundant number, since it is smaller than the sum of its proper divisors (18357262).

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

18100082 is a wasteful number, since it uses less digits than its factorization.

18100082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9074.

The product of its (nonzero) digits is 128, while the sum is 20.

The square root of 18100082 is about 4254.4191142858. The cubic root of 18100082 is about 262.5589624163.

Subtracting 18100082 from its reverse (28000181), we obtain a palindrome (9900099).

The spelling of 18100082 in words is "eighteen million, one hundred thousand, eighty-two".