18360006 has 48 divisors (see below), whose sum is σ = 43067376. Its totient is φ = 5202624.

The previous prime is 18359981. The next prime is 18360007. The reversal of 18360006 is 60006381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18360007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57760 + ... + 58076.

It is an arithmetic number, because the mean of its divisors is an integer number (897237).

Almost surely, 2^18360006 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18360006, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21533688).

18360006 is an abundant number, since it is smaller than the sum of its proper divisors (24707370).

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

18360006 is a wasteful number, since it uses less digits than its factorization.

18360006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533 (or 526 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 18360006 is about 4284.8577572657. The cubic root of 18360006 is about 263.8098090669.

Adding to 18360006 its reverse (60006381), we get a palindrome (78366387).

The spelling of 18360006 in words is "eighteen million, three hundred sixty thousand, six".