16455000 has 80 divisors (see below), whose sum is σ = 51452280. Its totient is φ = 4384000.

The previous prime is 16454953. The next prime is 16455059. The reversal of 16455000 is 55461.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14452 + ... + 15548.

Almost surely, 2^16455000 is an apocalyptic number.

16455000 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 16455000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25726140).

16455000 is an abundant number, since it is smaller than the sum of its proper divisors (34997280).

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

16455000 is a wasteful number, since it uses less digits than its factorization.

16455000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126 (or 1107 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 16455000 is about 4056.4763033944. The cubic root of 16455000 is about 254.3505194301.

The spelling of 16455000 in words is "sixteen million, four hundred fifty-five thousand".