165006018 has 32 divisors (see below), whose sum is σ = 368565120. Its totient is φ = 54719280.

The previous prime is 165006011. The next prime is 165006019. The reversal of 165006018 is 810600561.

165006018 is a `hidden beast` number, since 1 + 6 + 50 + 0 + 601 + 8 = 666.

165006018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 165005982 and 165006000.

It is not an unprimeable number, because it can be changed into a prime (165006011) 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, 2883 + ... + 18393.

It is an arithmetic number, because the mean of its divisors is an integer number (11517660).

Almost surely, 2^165006018 is an apocalyptic number.

165006018 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

165006018 is an abundant number, since it is smaller than the sum of its proper divisors (203559102).

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

165006018 is a wasteful number, since it uses less digits than its factorization.

165006018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15719 (or 15713 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 165006018 is about 12845.4668268615. The cubic root of 165006018 is about 548.4873233573.

Adding to 165006018 its reverse (810600561), we get a palindrome (975606579).

The spelling of 165006018 in words is "one hundred sixty-five million, six thousand, eighteen".