18018010 has 16 divisors (see below), whose sum is σ = 32983200. Its totient is φ = 7084816.

The previous prime is 18017981. The next prime is 18018017. The reversal of 18018010 is 1081081.

It is not an unprimeable number, because it can be changed into a prime (18018017) 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, 14680 + ... + 15859.

It is an arithmetic number, because the mean of its divisors is an integer number (2061450).

Almost surely, 2^18018010 is an apocalyptic number.

18018010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18018010 is a deficient number, since it is larger than the sum of its proper divisors (14965190).

18018010 is a wasteful number, since it uses less digits than its factorization.

18018010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30605.

The product of its (nonzero) digits is 64, while the sum is 19.

The square root of 18018010 is about 4244.7626553201. The cubic root of 18018010 is about 262.1615168641.

Adding to 18018010 its reverse (1081081), we get a palindrome (19099091).

The spelling of 18018010 in words is "eighteen million, eighteen thousand, ten".