16350000 has 120 divisors (see below), whose sum is σ = 53277840. Its totient is φ = 4320000.

The previous prime is 16349999. The next prime is 16350001. The reversal of 16350000 is 5361.

It is an interprime number because it is at equal distance from previous prime (16349999) and next prime (16350001).

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16350001) 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, 149946 + ... + 150054.

It is an arithmetic number, because the mean of its divisors is an integer number (443982).

Almost surely, 2^16350000 is an apocalyptic number.

16350000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16350000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26638920).

16350000 is an abundant number, since it is smaller than the sum of its proper divisors (36927840).

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

16350000 is an equidigital number, since it uses as much as digits as its factorization.

16350000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 16350000 is about 4043.5133238311. The cubic root of 16350000 is about 253.8083577265.

Adding to 16350000 its reverse (5361), we get a palindrome (16355361).

The spelling of 16350000 in words is "sixteen million, three hundred fifty thousand".