18350010 has 192 divisors, whose sum is σ = 60739200. Its totient is φ = 3919104.

The previous prime is 18350009. The next prime is 18350023. The reversal of 18350010 is 1005381.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 251334 + ... + 251406.

It is an arithmetic number, because the mean of its divisors is an integer number (316350).

Almost surely, 2^18350010 is an apocalyptic number.

18350010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 18350010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30369600).

18350010 is an abundant number, since it is smaller than the sum of its proper divisors (42389190).

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

18350010 is a wasteful number, since it uses less digits than its factorization.

18350010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 18350010 is about 4283.6911653386. The cubic root of 18350010 is about 263.7619237963.

Adding to 18350010 its reverse (1005381), we get a palindrome (19355391).

The spelling of 18350010 in words is "eighteen million, three hundred fifty thousand, ten".