16950000 has 120 divisors (see below), whose sum is σ = 55215216. Its totient is φ = 4480000.

The previous prime is 16949993. The next prime is 16950013. The reversal of 16950000 is 5961.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 149944 + ... + 150056.

Almost surely, 2^16950000 is an apocalyptic number.

16950000 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 16950000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27607608).

16950000 is an abundant number, since it is smaller than the sum of its proper divisors (38265216).

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

16950000 is an equidigital number, since it uses as much as digits as its factorization.

16950000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 16950000 is about 4117.0377700478. The cubic root of 16950000 is about 256.8758250872.

Adding to 16950000 its reverse (5961), we get a palindrome (16955961).

The spelling of 16950000 in words is "sixteen million, nine hundred fifty thousand".